12544630 has 16 divisors (see below), whose sum is σ = 25806240. Its totient is φ = 4300992.

The previous prime is 12544621. The next prime is 12544663. The reversal of 12544630 is 3644521.

It is a junction number, because it is equal to n+sod(n) for n = 12544595 and 12544604.

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, 89535 + ... + 89674.

It is an arithmetic number, because the mean of its divisors is an integer number (1612890).

Almost surely, 2^12544630 is an apocalyptic number.

12544630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12544630 is an abundant number, since it is smaller than the sum of its proper divisors (13261610).

12544630 is a wasteful number, since it uses less digits than its factorization.

12544630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179223.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 12544630 is about 3541.8399173311. The cubic root of 12544630 is about 232.3553190893.

The spelling of 12544630 in words is "twelve million, five hundred forty-four thousand, six hundred thirty".