12560506 has 16 divisors (see below), whose sum is σ = 21732480. Its totient is φ = 5333040.

The previous prime is 12560503. The next prime is 12560519. The reversal of 12560506 is 60506521.

12560506 = 284² + 285² + ... + 392².

It is not an unprimeable number, because it can be changed into a prime (12560503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2590 + ... + 5641.

It is an arithmetic number, because the mean of its divisors is an integer number (1358280).

Almost surely, 2^12560506 is an apocalyptic number.

12560506 is a deficient number, since it is larger than the sum of its proper divisors (9171974).

12560506 is a wasteful number, since it uses less digits than its factorization.

12560506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8349.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 12560506 is about 3544.0804166949. The cubic root of 12560506 is about 232.4532977456.

The spelling of 12560506 in words is "twelve million, five hundred sixty thousand, five hundred six".