12609047 has 6 divisors (see below), whose sum is σ = 13859664. Its totient is φ = 11462660.

The previous prime is 12609043. The next prime is 12609049. The reversal of 12609047 is 74090621.

It is not a de Polignac number, because 12609047 - 2² = 12609043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12609043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51983 + ... + 52224.

It is an arithmetic number, because the mean of its divisors is an integer number (2309944).

Almost surely, 2^12609047 is an apocalyptic number.

12609047 is a deficient number, since it is larger than the sum of its proper divisors (1250617).

12609047 is a wasteful number, since it uses less digits than its factorization.

12609047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104229 (or 104218 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12609047 is about 3550.9219929477. The cubic root of 12609047 is about 232.7523571234.

Adding to 12609047 its reverse (74090621), we get a palindrome (86699668).

The spelling of 12609047 in words is "twelve million, six hundred nine thousand, forty-seven".