12764544 has 64 divisors (see below), whose sum is σ = 36528240. Its totient is φ = 3926016.

The previous prime is 12764537. The next prime is 12764551. The reversal of 12764544 is 44546721.

It is an interprime number because it is at equal distance from previous prime (12764537) and next prime (12764551).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 3714 + ... + 6270.

Almost surely, 2^12764544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12764544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18264120).

12764544 is an abundant number, since it is smaller than the sum of its proper divisors (23763696).

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

12764544 is a wasteful number, since it uses less digits than its factorization.

12764544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587 (or 2575 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 12764544 is about 3572.7502011756. The cubic root of 12764544 is about 233.7052318776.

The spelling of 12764544 in words is "twelve million, seven hundred sixty-four thousand, five hundred forty-four".