12679667 has 32 divisors (see below), whose sum is σ = 17418240. Its totient is φ = 8910720.

The previous prime is 12679663. The next prime is 12679673. The reversal of 12679667 is 76697621.

It is not a de Polignac number, because 12679667 - 2² = 12679663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12679663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52934 + ... + 53172.

It is an arithmetic number, because the mean of its divisors is an integer number (544320).

Almost surely, 2^12679667 is an apocalyptic number.

12679667 is a deficient number, since it is larger than the sum of its proper divisors (4738573).

12679667 is a wasteful number, since it uses less digits than its factorization.

12679667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 190512, while the sum is 44.

The square root of 12679667 is about 3560.8520047876. The cubic root of 12679667 is about 233.1860769275.

The spelling of 12679667 in words is "twelve million, six hundred seventy-nine thousand, six hundred sixty-seven".