12648724 has 24 divisors (see below), whose sum is σ = 24242400. Its totient is φ = 5726880.

The previous prime is 12648719. The next prime is 12648733. The reversal of 12648724 is 42784621.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12648724.

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, 16747 + ... + 17485.

It is an arithmetic number, because the mean of its divisors is an integer number (1010100).

Almost surely, 2^12648724 is an apocalyptic number.

It is an amenable number.

12648724 is a deficient number, since it is larger than the sum of its proper divisors (11593676).

12648724 is a wasteful number, since it uses less digits than its factorization.

12648724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1141 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 12648724 is about 3556.5044636553. The cubic root of 12648724 is about 232.9962361319.

The spelling of 12648724 in words is "twelve million, six hundred forty-eight thousand, seven hundred twenty-four".