12976897 has 4 divisors (see below), whose sum is σ = 13003200. Its totient is φ = 12950596.

The previous prime is 12976877. The next prime is 12976907. The reversal of 12976897 is 79867921.

It is a happy number.

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 12976897 - 2¹¹ = 12974849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12976897.

It is not an unprimeable number, because it can be changed into a prime (12976877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12397 + ... + 13402.

It is an arithmetic number, because the mean of its divisors is an integer number (3250800).

Almost surely, 2^12976897 is an apocalyptic number.

It is an amenable number.

12976897 is a deficient number, since it is larger than the sum of its proper divisors (26303).

12976897 is an equidigital number, since it uses as much as digits as its factorization.

12976897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26302.

The product of its digits is 381024, while the sum is 49.

The square root of 12976897 is about 3602.3460411238. The cubic root of 12976897 is about 234.9940967281.

The spelling of 12976897 in words is "twelve million, nine hundred seventy-six thousand, eight hundred ninety-seven".