12977933 has 8 divisors (see below), whose sum is σ = 13618176. Its totient is φ = 12351600.

The previous prime is 12977929. The next prime is 12977947. The reversal of 12977933 is 33977921.

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 12977933 - 2² = 12977929 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12977233) 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, 1541 + ... + 5322.

It is an arithmetic number, because the mean of its divisors is an integer number (1702272).

Almost surely, 2^12977933 is an apocalyptic number.

It is an amenable number.

12977933 is a deficient number, since it is larger than the sum of its proper divisors (640243).

12977933 is an equidigital number, since it uses as much as digits as its factorization.

12977933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955.

The product of its digits is 71442, while the sum is 41.

The square root of 12977933 is about 3602.4898334346. The cubic root of 12977933 is about 235.0003500825. Note that the first 3 decimals are identical.

The spelling of 12977933 in words is "twelve million, nine hundred seventy-seven thousand, nine hundred thirty-three".