12563290 has 16 divisors (see below), whose sum is σ = 23597568. Its totient is φ = 4806736.

The previous prime is 12563273. The next prime is 12563321. The reversal of 12563290 is 9236521.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27082 + ... + 27541.

It is an arithmetic number, because the mean of its divisors is an integer number (1474848).

Almost surely, 2^12563290 is an apocalyptic number.

12563290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12563290 is a deficient number, since it is larger than the sum of its proper divisors (11034278).

12563290 is a wasteful number, since it uses less digits than its factorization.

12563290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54653.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 12563290 is about 3544.4731625448. The cubic root of 12563290 is about 232.4704706783.

The spelling of 12563290 in words is "twelve million, five hundred sixty-three thousand, two hundred ninety".