12752402 has 24 divisors (see below), whose sum is σ = 21443940. Its totient is φ = 5678400.

The previous prime is 12752393. The next prime is 12752413. The reversal of 12752402 is 20425721.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 14641 + 12737761 = 121^2 + 3569^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9152 + ... + 10452.

Almost surely, 2^12752402 is an apocalyptic number.

12752402 is a deficient number, since it is larger than the sum of its proper divisors (8691538).

12752402 is a wasteful number, since it uses less digits than its factorization.

12752402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358 (or 1345 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12752402 is about 3571.0505457078. The cubic root of 12752402 is about 233.6311059980.

The spelling of 12752402 in words is "twelve million, seven hundred fifty-two thousand, four hundred two".