12979902 has 16 divisors (see below), whose sum is σ = 27956880. Its totient is φ = 3993792.

The previous prime is 12979877. The next prime is 12979909. The reversal of 12979902 is 20997921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12979909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83127 + ... + 83282.

It is an arithmetic number, because the mean of its divisors is an integer number (1747305).

Almost surely, 2^12979902 is an apocalyptic number.

12979902 is an abundant number, since it is smaller than the sum of its proper divisors (14976978).

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

12979902 is a wasteful number, since it uses less digits than its factorization.

12979902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166427.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 12979902 is about 3602.7631062838. The cubic root of 12979902 is about 235.0122341601.

The spelling of 12979902 in words is "twelve million, nine hundred seventy-nine thousand, nine hundred two".