12609807 has 12 divisors (see below), whose sum is σ = 19558296. Its totient is φ = 7205520.

The previous prime is 12609803. The next prime is 12609823. The reversal of 12609807 is 70890621.

It is not a de Polignac number, because 12609807 - 2² = 12609803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12609803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42744 + ... + 43037.

It is an arithmetic number, because the mean of its divisors is an integer number (1629858).

Almost surely, 2^12609807 is an apocalyptic number.

12609807 is a deficient number, since it is larger than the sum of its proper divisors (6948489).

12609807 is an equidigital number, since it uses as much as digits as its factorization.

12609807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85798 (or 85791 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 12609807 is about 3551.0290057954. The cubic root of 12609807 is about 232.7570333488.

The spelling of 12609807 in words is "twelve million, six hundred nine thousand, eight hundred seven".