12609606 has 16 divisors (see below), whose sum is σ = 26089200. Its totient is φ = 4058208.

The previous prime is 12609587. The next prime is 12609607. The reversal of 12609606 is 60690621.

12609606 = 1774² + 1775² + ... + 1777².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12609607) 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, 36061 + ... + 36408.

It is an arithmetic number, because the mean of its divisors is an integer number (1630575).

Almost surely, 2^12609606 is an apocalyptic number.

12609606 is an abundant number, since it is smaller than the sum of its proper divisors (13479594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12609606 is a wasteful number, since it uses less digits than its factorization.

12609606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72503.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 12609606 is about 3551.0007040270. Note that the first 3 decimals coincide. The cubic root of 12609606 is about 232.7557966285.

The spelling of 12609606 in words is "twelve million, six hundred nine thousand, six hundred six".