12157752 has 16 divisors (see below), whose sum is σ = 30394440. Its totient is φ = 4052576.

The previous prime is 12157741. The next prime is 12157759. The reversal of 12157752 is 25775121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12157759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253263 + ... + 253310.

Almost surely, 2^12157752 is an apocalyptic number.

12157752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12157752 is an abundant number, since it is smaller than the sum of its proper divisors (18236688).

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

12157752 is a wasteful number, since it uses less digits than its factorization.

12157752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506582 (or 506578 counting only the distinct ones).

The product of its digits is 4900, while the sum is 30.

The square root of 12157752 is about 3486.7968108280. The cubic root of 12157752 is about 229.9417117575.

The spelling of 12157752 in words is "twelve million, one hundred fifty-seven thousand, seven hundred fifty-two".