12572655 has 16 divisors (see below), whose sum is σ = 20325984. Its totient is φ = 6635520.

The previous prime is 12572633. The next prime is 12572663. The reversal of 12572655 is 55627521.

It is not a de Polignac number, because 12572655 - 2¹⁸ = 12310511 is a prime.

It is a congruent number.

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, 2866 + ... + 5775.

It is an arithmetic number, because the mean of its divisors is an integer number (1270374).

Almost surely, 2^12572655 is an apocalyptic number.

12572655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12572655 is a deficient number, since it is larger than the sum of its proper divisors (7753329).

12572655 is an equidigital number, since it uses as much as digits as its factorization.

12572655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8746.

The product of its digits is 21000, while the sum is 33.

The square root of 12572655 is about 3545.7939872474. The cubic root of 12572655 is about 232.5282194907.

The spelling of 12572655 in words is "twelve million, five hundred seventy-two thousand, six hundred fifty-five".