12972307 has 8 divisors (see below), whose sum is σ = 13716560. Its totient is φ = 12234240.

The previous prime is 12972301. The next prime is 12972313. The reversal of 12972307 is 70327921.

12972307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12972301) and next prime (12972313).

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 12972307 - 2¹¹ = 12970259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12972301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3163 + ... + 5995.

It is an arithmetic number, because the mean of its divisors is an integer number (1714570).

Almost surely, 2^12972307 is an apocalyptic number.

12972307 is a deficient number, since it is larger than the sum of its proper divisors (744253).

12972307 is a wasteful number, since it uses less digits than its factorization.

12972307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 12972307 is about 3601.7088999529. The cubic root of 12972307 is about 234.9663872251.

The spelling of 12972307 in words is "twelve million, nine hundred seventy-two thousand, three hundred seven".