12517630 has 16 divisors (see below), whose sum is σ = 22618080. Its totient is φ = 4987872.

The previous prime is 12517613. The next prime is 12517667. The reversal of 12517630 is 3671521.

12517630 is nontrivially palindromic in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 12517595 and 12517604.

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, 511 + ... + 5029.

It is an arithmetic number, because the mean of its divisors is an integer number (1413630).

Almost surely, 2^12517630 is an apocalyptic number.

12517630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12517630 is a deficient number, since it is larger than the sum of its proper divisors (10100450).

12517630 is a wasteful number, since it uses less digits than its factorization.

12517630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12517630 is about 3538.0262859397. The cubic root of 12517630 is about 232.1884987069.

The spelling of 12517630 in words is "twelve million, five hundred seventeen thousand, six hundred thirty".