12931252 has 6 divisors (see below), whose sum is σ = 22629698. Its totient is φ = 6465624.

The previous prime is 12931223. The next prime is 12931253. The reversal of 12931252 is 25213921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 36 = 3596^2 + 6^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12931253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1616403 + ... + 1616410.

Almost surely, 2^12931252 is an apocalyptic number.

It is an amenable number.

12931252 is a deficient number, since it is larger than the sum of its proper divisors (9698446).

12931252 is a wasteful number, since it uses less digits than its factorization.

12931252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232817 (or 3232815 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 12931252 is about 3596.0050055583. The cubic root of 12931252 is about 234.7182499308.

The spelling of 12931252 in words is "twelve million, nine hundred thirty-one thousand, two hundred fifty-two".