12972079 has 8 divisors (see below), whose sum is σ = 13693680. Its totient is φ = 12254400.

The previous prime is 12972073. The next prime is 12972097. The reversal of 12972079 is 97027921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12972079 - 2¹⁷ = 12841007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12972073) 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, 8019 + ... + 9499.

It is an arithmetic number, because the mean of its divisors is an integer number (1711710).

Almost surely, 2^12972079 is an apocalyptic number.

12972079 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12972079 is a deficient number, since it is larger than the sum of its proper divisors (721601).

12972079 is a wasteful number, since it uses less digits than its factorization.

12972079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 12972079 is about 3601.6772481720. The cubic root of 12972079 is about 234.9650106349.

The spelling of 12972079 in words is "twelve million, nine hundred seventy-two thousand, seventy-nine".