12563031 has 16 divisors (see below), whose sum is σ = 18184320. Its totient is φ = 7668960.

The previous prime is 12562999. The next prime is 12563039. The reversal of 12563031 is 13036521.

12563031 = 75² + 76² + ... + 336².

It is not a de Polignac number, because 12563031 - 2⁵ = 12562999 is a prime.

It is a super-2 number, since 2×12563031² = 315659495813922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12562989 and 12563007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12563039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3880 + ... + 6338.

It is an arithmetic number, because the mean of its divisors is an integer number (1136520).

Almost surely, 2^12563031 is an apocalyptic number.

12563031 is a deficient number, since it is larger than the sum of its proper divisors (5621289).

12563031 is a wasteful number, since it uses less digits than its factorization.

12563031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 12563031 is about 3544.4366266023. The cubic root of 12563031 is about 232.4688731598.

Adding to 12563031 its reverse (13036521), we get a palindrome (25599552).

The spelling of 12563031 in words is "twelve million, five hundred sixty-three thousand, thirty-one".