12973697 has 4 divisors (see below), whose sum is σ = 14153136. Its totient is φ = 11794260.

The previous prime is 12973661. The next prime is 12973699. The reversal of 12973697 is 79637921.

It is a happy number.

12973697 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.

It is a cyclic number.

It is not a de Polignac number, because 12973697 - 2¹⁸ = 12711553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12973699) 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, 589703 + ... + 589724.

It is an arithmetic number, because the mean of its divisors is an integer number (3538284).

Almost surely, 2^12973697 is an apocalyptic number.

It is an amenable number.

12973697 is a deficient number, since it is larger than the sum of its proper divisors (1179439).

12973697 is a wasteful number, since it uses less digits than its factorization.

12973697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179438.

The product of its digits is 142884, while the sum is 44.

The square root of 12973697 is about 3601.9018587407. The cubic root of 12973697 is about 234.9747792460.

It can be divided in two parts, 1297 and 3697, that added together give a palindrome (4994).

The spelling of 12973697 in words is "twelve million, nine hundred seventy-three thousand, six hundred ninety-seven".