12572609 has 16 divisors (see below), whose sum is σ = 14950656. Its totient is φ = 10348800.

The previous prime is 12572603. The next prime is 12572611. The reversal of 12572609 is 90627521.

It is a de Polignac number, because none of the positive numbers 2^k-12572609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12572603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20069 + ... + 20685.

It is an arithmetic number, because the mean of its divisors is an integer number (934416).

Almost surely, 2^12572609 is an apocalyptic number.

It is an amenable number.

12572609 is a deficient number, since it is larger than the sum of its proper divisors (2378047).

12572609 is an equidigital number, since it uses as much as digits as its factorization.

12572609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 12572609 is about 3545.7875006830. The cubic root of 12572609 is about 232.5279359040.

The spelling of 12572609 in words is "twelve million, five hundred seventy-two thousand, six hundred nine".