12972093 has 4 divisors (see below), whose sum is σ = 17296128. Its totient is φ = 8648060.

The previous prime is 12972073. The next prime is 12972097. The reversal of 12972093 is 39027921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39027921 = 3 ⋅13009307.

It is a cyclic number.

It is not a de Polignac number, because 12972093 - 2⁸ = 12971837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12972097) 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 3 ways as a sum of consecutive naturals, for example, 2162013 + ... + 2162018.

It is an arithmetic number, because the mean of its divisors is an integer number (4324032).

Almost surely, 2^12972093 is an apocalyptic number.

It is an amenable number.

12972093 is a deficient number, since it is larger than the sum of its proper divisors (4324035).

12972093 is an equidigital number, since it uses as much as digits as its factorization.

12972093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324034.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 12972093 is about 3601.6791917104. The cubic root of 12972093 is about 234.9650951629.

The spelling of 12972093 in words is "twelve million, nine hundred seventy-two thousand, ninety-three".