12563390 has 32 divisors (see below), whose sum is σ = 26115264. Its totient is φ = 4262400.

The previous prime is 12563381. The next prime is 12563393. The reversal of 12563390 is 9336521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12563393) 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, 6182 + ... + 7958.

It is an arithmetic number, because the mean of its divisors is an integer number (816102).

Almost surely, 2^12563390 is an apocalyptic number.

12563390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12563390 is an abundant number, since it is smaller than the sum of its proper divisors (13551874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12563390 is a wasteful number, since it uses less digits than its factorization.

12563390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 12563390 is about 3544.4872689855. The cubic root of 12563390 is about 232.4710874750.

The spelling of 12563390 in words is "twelve million, five hundred sixty-three thousand, three hundred ninety".