12979075 has 12 divisors (see below), whose sum is σ = 17041320. Its totient is φ = 9772160.

The previous prime is 12979069. The next prime is 12979081. The reversal of 12979075 is 57097921.

It is an interprime number because it is at equal distance from previous prime (12979069) and next prime (12979081).

It is not a de Polignac number, because 12979075 - 2⁷ = 12978947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14845 + ... + 15694.

It is an arithmetic number, because the mean of its divisors is an integer number (1420110).

Almost surely, 2^12979075 is an apocalyptic number.

12979075 is a deficient number, since it is larger than the sum of its proper divisors (4062245).

12979075 is a wasteful number, since it uses less digits than its factorization.

12979075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30566 (or 30561 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 12979075 is about 3602.6483314362. The cubic root of 12979075 is about 235.0072428732.

It can be divided in two parts, 1 and 2979075, that added together give a square (2979076 = 1726²).

The spelling of 12979075 in words is "twelve million, nine hundred seventy-nine thousand, seventy-five".