12520726 has 8 divisors (see below), whose sum is σ = 19288800. Its totient is φ = 6091128.

The previous prime is 12520723. The next prime is 12520747. The reversal of 12520726 is 62702521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12520726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84526 + ... + 84673.

It is an arithmetic number, because the mean of its divisors is an integer number (2411100).

Almost surely, 2^12520726 is an apocalyptic number.

12520726 is a deficient number, since it is larger than the sum of its proper divisors (6768074).

12520726 is a wasteful number, since it uses less digits than its factorization.

12520726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169238.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 12520726 is about 3538.4637909692. The cubic root of 12520726 is about 232.2076396128.

The spelling of 12520726 in words is "twelve million, five hundred twenty thousand, seven hundred twenty-six".