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12442014 = 2321353171
BaseRepresentation
bin101111011101…
…100110011110
3212102010020100
4233131212132
511141121024
61122401530
7210520044
oct57354636
925363210
1012442014
117028962
1242002a6
132768250
14191c394
15115b7c9
hexbdd99e

12442014 has 24 divisors (see below), whose sum is σ = 29031912. Its totient is φ = 3828240.

The previous prime is 12441997. The next prime is 12442019. The reversal of 12442014 is 41024421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26352 + ... + 26819.

It is an arithmetic number, because the mean of its divisors is an integer number (1209663).

Almost surely, 212442014 is an apocalyptic number.

12442014 is an abundant number, since it is smaller than the sum of its proper divisors (16589898).

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

12442014 is a wasteful number, since it uses less digits than its factorization.

12442014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53192 (or 53189 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 12442014 is about 3527.3239148113. The cubic root of 12442014 is about 231.7200224453.

Adding to 12442014 its reverse (41024421), we get a palindrome (53466435).

The spelling of 12442014 in words is "twelve million, four hundred forty-two thousand, fourteen".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 53171 106342 159513 319026 478539 691223 957078 1382446 2073669 4147338 6221007 12442014