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12441212 = 2271759443
BaseRepresentation
bin101111011101…
…011001111100
3212102002010122
4233131121330
511141104322
61122354112
7210514520
oct57353174
925362118
1012441212
1170282a3
1241bb938
132767a84
14191bd80
15115b442
hexbdd67c

12441212 has 48 divisors (see below), whose sum is σ = 26853120. Its totient is φ = 4922112.

The previous prime is 12441197. The next prime is 12441217. The reversal of 12441212 is 21214421.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12441217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27863 + ... + 28305.

It is an arithmetic number, because the mean of its divisors is an integer number (559440).

Almost surely, 212441212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12441212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13426560).

12441212 is an abundant number, since it is smaller than the sum of its proper divisors (14411908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12441212 is a wasteful number, since it uses less digits than its factorization.

12441212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 528 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 12441212 is about 3527.2102290621. The cubic root of 12441212 is about 231.7150435234.

Adding to 12441212 its reverse (21214421), we get a palindrome (33655633).

The spelling of 12441212 in words is "twelve million, four hundred forty-one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 17 28 34 59 68 118 119 236 238 413 443 476 826 886 1003 1652 1772 2006 3101 4012 6202 7021 7531 12404 14042 15062 26137 28084 30124 52274 52717 104548 105434 182959 210868 365918 444329 731836 888658 1777316 3110303 6220606 12441212