12157652 has 36 divisors (see below), whose sum is σ = 24369660. Its totient is φ = 5274624.

The previous prime is 12157637. The next prime is 12157657. The reversal of 12157652 is 25675121.

It can be written as a sum of positive squares in 6 ways, for example, as 1175056 + 10982596 = 1084^2 + 3314^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12157657) 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 11 ways as a sum of consecutive naturals, for example, 14624 + ... + 15432.

It is an arithmetic number, because the mean of its divisors is an integer number (676935).

Almost surely, 2^12157652 is an apocalyptic number.

It is an amenable number.

12157652 is an abundant number, since it is smaller than the sum of its proper divisors (12212008).

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

12157652 is a wasteful number, since it uses less digits than its factorization.

12157652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 841 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 12157652 is about 3486.7824709896. The cubic root of 12157652 is about 229.9410813165.

The spelling of 12157652 in words is "twelve million, one hundred fifty-seven thousand, six hundred fifty-two".