12566232 has 64 divisors (see below), whose sum is σ = 39897600. Its totient is φ = 3589920.

The previous prime is 12566227. The next prime is 12566237. The reversal of 12566232 is 23266521.

It is an interprime number because it is at equal distance from previous prime (12566227) and next prime (12566237).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12566196 and 12566205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12566237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2644 + ... + 5667.

It is an arithmetic number, because the mean of its divisors is an integer number (623400).

Almost surely, 2^12566232 is an apocalyptic number.

12566232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12566232 is an abundant number, since it is smaller than the sum of its proper divisors (27331368).

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

12566232 is a wasteful number, since it uses less digits than its factorization.

12566232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333 (or 8323 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 12566232 is about 3544.8881505627. Note that the first 3 decimals coincide. The cubic root of 12566232 is about 232.4886154675.

The spelling of 12566232 in words is "twelve million, five hundred sixty-six thousand, two hundred thirty-two".