12972593 has 4 divisors (see below), whose sum is σ = 13006848. Its totient is φ = 12938340.

The previous prime is 12972587. The next prime is 12972613. The reversal of 12972593 is 39527921.

12972593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 39527921 = 2837 ⋅13933.

It is a cyclic number.

It is not a de Polignac number, because 12972593 - 2⁴ = 12972577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12972563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16553 + ... + 17318.

It is an arithmetic number, because the mean of its divisors is an integer number (3251712).

Almost surely, 2^12972593 is an apocalyptic number.

It is an amenable number.

12972593 is a deficient number, since it is larger than the sum of its proper divisors (34255).

12972593 is an equidigital number, since it uses as much as digits as its factorization.

12972593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34254.

The product of its digits is 34020, while the sum is 38.

The square root of 12972593 is about 3601.7486031093. The cubic root of 12972593 is about 234.9681139776.

It can be divided in two parts, 1297 and 2593, that multiplied together give a triangular number (3363121 = T₂₅₉₃).

The spelling of 12972593 in words is "twelve million, nine hundred seventy-two thousand, five hundred ninety-three".