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12481372 = 2210928627
BaseRepresentation
bin101111100111…
…001101011100
3212111010020001
4233213031130
511143400442
61123304044
7211042561
oct57471534
925433201
1012481372
117055492
12421b024
132780137
14192c868
1511682b7
hexbe735c

12481372 has 12 divisors (see below), whose sum is σ = 22043560. Its totient is φ = 6183216.

The previous prime is 12481369. The next prime is 12481373. The reversal of 12481372 is 27318421.

It is a self number, because there is not a number n which added to its sum of digits gives 12481372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12481373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13878 + ... + 14749.

Almost surely, 212481372 is an apocalyptic number.

It is an amenable number.

12481372 is a deficient number, since it is larger than the sum of its proper divisors (9562188).

12481372 is a wasteful number, since it uses less digits than its factorization.

12481372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28740 (or 28738 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 12481372 is about 3532.8985267058. The cubic root of 12481372 is about 231.9640996768.

Adding to 12481372 its reverse (27318421), we get a palindrome (39799793).

The spelling of 12481372 in words is "twelve million, four hundred eighty-one thousand, three hundred seventy-two".

Divisors: 1 2 4 109 218 436 28627 57254 114508 3120343 6240686 12481372