12752631 has 12 divisors (see below), whose sum is σ = 18535608. Its totient is φ = 8448624.

The previous prime is 12752609. The next prime is 12752653. The reversal of 12752631 is 13625721.

It is a happy number.

12752631 is a `hidden beast` number, since 1 + 27 + 5 + 2 + 631 = 666.

It is an interprime number because it is at equal distance from previous prime (12752609) and next prime (12752653).

It is not a de Polignac number, because 12752631 - 2⁷ = 12752503 is a prime.

It is a super-2 number, since 2×12752631² = 325259194844322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12752595 and 12752604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12752671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2880 + ... + 5813.

It is an arithmetic number, because the mean of its divisors is an integer number (1544634).

Almost surely, 2^12752631 is an apocalyptic number.

12752631 is a deficient number, since it is larger than the sum of its proper divisors (5782977).

12752631 is a wasteful number, since it uses less digits than its factorization.

12752631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8862 (or 8859 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 12752631 is about 3571.0826089577. The cubic root of 12752631 is about 233.6325044588.

The spelling of 12752631 in words is "twelve million, seven hundred fifty-two thousand, six hundred thirty-one".