12625031 has 4 divisors (see below), whose sum is σ = 12662832. Its totient is φ = 12587232.

The previous prime is 12625027. The next prime is 12625043. The reversal of 12625031 is 13052621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12625031 - 2² = 12625027 is a prime.

It is a super-2 number, since 2×12625031² = 318782815501922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12624994 and 12625012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12625051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18395 + ... + 19068.

It is an arithmetic number, because the mean of its divisors is an integer number (3165708).

Almost surely, 2^12625031 is an apocalyptic number.

12625031 is a deficient number, since it is larger than the sum of its proper divisors (37801).

12625031 is an equidigital number, since it uses as much as digits as its factorization.

12625031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37800.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12625031 is about 3553.1719631901. The cubic root of 12625031 is about 232.8506659739.

Adding to 12625031 its reverse (13052621), we get a palindrome (25677652).

The spelling of 12625031 in words is "twelve million, six hundred twenty-five thousand, thirty-one".