12916977 has 8 divisors (see below), whose sum is σ = 17816640. Its totient is φ = 8314320.

The previous prime is 12916973. The next prime is 12916999. The reversal of 12916977 is 77961921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12916977 - 2² = 12916973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12916973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74149 + ... + 74322.

It is an arithmetic number, because the mean of its divisors is an integer number (2227080).

Almost surely, 2^12916977 is an apocalyptic number.

It is an amenable number.

12916977 is a deficient number, since it is larger than the sum of its proper divisors (4899663).

12916977 is a wasteful number, since it uses less digits than its factorization.

12916977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148503.

The product of its digits is 47628, while the sum is 42.

The square root of 12916977 is about 3594.0196159732. The cubic root of 12916977 is about 234.6318484825.

The spelling of 12916977 in words is "twelve million, nine hundred sixteen thousand, nine hundred seventy-seven".