12979476 has 18 divisors (see below), whose sum is σ = 32809322. Its totient is φ = 4326480.

The previous prime is 12979453. The next prime is 12979511. The reversal of 12979476 is 67497921.

It can be written as a sum of positive squares in only one way, i.e., 8468100 + 4511376 = 2910^2 + 2124^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180235 + ... + 180306.

Almost surely, 2^12979476 is an apocalyptic number.

It is an amenable number.

12979476 is an abundant number, since it is smaller than the sum of its proper divisors (19829846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12979476 is a wasteful number, since it uses less digits than its factorization.

12979476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360551 (or 360546 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 12979476 is about 3602.7039845094. The cubic root of 12979476 is about 235.0096631005.

The spelling of 12979476 in words is "twelve million, nine hundred seventy-nine thousand, four hundred seventy-six".