12623556 has 24 divisors (see below), whose sum is σ = 32133024. Its totient is φ = 3825280.

The previous prime is 12623521. The next prime is 12623557. The reversal of 12623556 is 65532621.

It is not an unprimeable number, because it can be changed into a prime (12623557) 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, 47685 + ... + 47948.

It is an arithmetic number, because the mean of its divisors is an integer number (1338876).

Almost surely, 2^12623556 is an apocalyptic number.

It is an amenable number.

12623556 is an abundant number, since it is smaller than the sum of its proper divisors (19509468).

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

12623556 is a wasteful number, since it uses less digits than its factorization.

12623556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95651 (or 95649 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 12623556 is about 3552.9643961064. The cubic root of 12623556 is about 232.8415975313.

The spelling of 12623556 in words is "twelve million, six hundred twenty-three thousand, five hundred fifty-six".