12959667 has 18 divisors (see below), whose sum is σ = 21776508. Its totient is φ = 7405272.

The previous prime is 12959663. The next prime is 12959669. The reversal of 12959667 is 76695921.

It is a happy number.

It is not a de Polignac number, because 12959667 - 2² = 12959663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12959663) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14253 + ... + 15134.

It is an arithmetic number, because the mean of its divisors is an integer number (1209806).

Almost surely, 2^12959667 is an apocalyptic number.

12959667 is a deficient number, since it is larger than the sum of its proper divisors (8816841).

12959667 is a wasteful number, since it uses less digits than its factorization.

12959667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29407 (or 29397 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 12959667 is about 3599.9537497029. The cubic root of 12959667 is about 234.8900466459.

The spelling of 12959667 in words is "twelve million, nine hundred fifty-nine thousand, six hundred sixty-seven".