12977195 has 32 divisors (see below), whose sum is σ = 19961856. Its totient is φ = 7862400.

The previous prime is 12977191. The next prime is 12977207. The reversal of 12977195 is 59177921.

It is a happy number.

It is not a de Polignac number, because 12977195 - 2² = 12977191 is a prime.

It is a super-4 number, since 4×12977195⁴ (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12977191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13790 + ... + 14700.

It is an arithmetic number, because the mean of its divisors is an integer number (623808).

Almost surely, 2^12977195 is an apocalyptic number.

12977195 is a deficient number, since it is larger than the sum of its proper divisors (6984661).

12977195 is a wasteful number, since it uses less digits than its factorization.

12977195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its digits is 39690, while the sum is 41.

The square root of 12977195 is about 3602.3874028205. The cubic root of 12977195 is about 234.9958955070.

The spelling of 12977195 in words is "twelve million, nine hundred seventy-seven thousand, one hundred ninety-five".