12387152 has 20 divisors (see below), whose sum is σ = 25412436. Its totient is φ = 5829120.

The previous prime is 12387149. The next prime is 12387217. The reversal of 12387152 is 25178321.

It can be written as a sum of positive squares in 2 ways, for example, as 4857616 + 7529536 = 2204^2 + 2744^2 .

It is a super-2 number, since 2×12387152² = 306883069342208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22499 + ... + 23042.

Almost surely, 2^12387152 is an apocalyptic number.

It is an amenable number.

12387152 is an abundant number, since it is smaller than the sum of its proper divisors (13025284).

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

12387152 is a wasteful number, since it uses less digits than its factorization.

12387152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45566 (or 45560 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 12387152 is about 3519.5386061244. The cubic root of 12387152 is about 231.3789373966.

The spelling of 12387152 in words is "twelve million, three hundred eighty-seven thousand, one hundred fifty-two".