12648570 has 32 divisors (see below), whose sum is σ = 33117120. Its totient is φ = 3066240.

The previous prime is 12648569. The next prime is 12648613. The reversal of 12648570 is 7584621.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18835 + ... + 19494.

It is an arithmetic number, because the mean of its divisors is an integer number (1034910).

Almost surely, 2^12648570 is an apocalyptic number.

12648570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12648570 is an abundant number, since it is smaller than the sum of its proper divisors (20468550).

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

12648570 is a wasteful number, since it uses less digits than its factorization.

12648570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38350.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 12648570 is about 3556.4828131175. The cubic root of 12648570 is about 232.9952905407.

The spelling of 12648570 in words is "twelve million, six hundred forty-eight thousand, five hundred seventy".