12566022 has 16 divisors (see below), whose sum is σ = 28722432. Its totient is φ = 3590280.

The previous prime is 12566003. The next prime is 12566023. The reversal of 12566022 is 22066521.

It is a junction number, because it is equal to n+sod(n) for n = 12565983 and 12566001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12566023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149554 + ... + 149637.

It is an arithmetic number, because the mean of its divisors is an integer number (1795152).

Almost surely, 2^12566022 is an apocalyptic number.

12566022 is an abundant number, since it is smaller than the sum of its proper divisors (16156410).

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

12566022 is a wasteful number, since it uses less digits than its factorization.

12566022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299203.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12566022 is about 3544.8585303225. The cubic root of 12566022 is about 232.4873203861.

The spelling of 12566022 in words is "twelve million, five hundred sixty-six thousand, twenty-two".