12563715 has 16 divisors (see below), whose sum is σ = 20160000. Its totient is φ = 6681312.

The previous prime is 12563689. The next prime is 12563737. The reversal of 12563715 is 51736521.

It is not a de Polignac number, because 12563715 - 2⁹ = 12563203 is a prime.

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, 5286 + ... + 7284.

It is an arithmetic number, because the mean of its divisors is an integer number (1260000).

Almost surely, 2^12563715 is an apocalyptic number.

12563715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12563715 is a deficient number, since it is larger than the sum of its proper divisors (7596285).

12563715 is a wasteful number, since it uses less digits than its factorization.

12563715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426.

The product of its digits is 6300, while the sum is 30.

The square root of 12563715 is about 3544.5331145300. The cubic root of 12563715 is about 232.4730920415.

The spelling of 12563715 in words is "twelve million, five hundred sixty-three thousand, seven hundred fifteen".