12916544 has 14 divisors (see below), whose sum is σ = 25631394. Its totient is φ = 6458240.

The previous prime is 12916529. The next prime is 12916559. The reversal of 12916544 is 44561921.

It is an interprime number because it is at equal distance from previous prime (12916529) and next prime (12916559).

It can be written as a sum of positive squares in only one way, i.e., 9985600 + 2930944 = 3160^2 + 1712^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12916544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100847 + ... + 100974.

Almost surely, 2^12916544 is an apocalyptic number.

It is an amenable number.

12916544 is a deficient number, since it is larger than the sum of its proper divisors (12714850).

12916544 is an equidigital number, since it uses as much as digits as its factorization.

12916544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201833 (or 201823 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 12916544 is about 3593.9593765094. The cubic root of 12916544 is about 234.6292266945.

The spelling of 12916544 in words is "twelve million, nine hundred sixteen thousand, five hundred forty-four".