12977419 has 8 divisors (see below), whose sum is σ = 15972320. Its totient is φ = 10267776.

The previous prime is 12977411. The next prime is 12977441. The reversal of 12977419 is 91477921.

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 12977419 - 2³ = 12977411 is a prime.

It is a super-2 number, since 2×12977419² = 336826807803122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12977411) 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, 71214 + ... + 71395.

It is an arithmetic number, because the mean of its divisors is an integer number (1996540).

Almost surely, 2^12977419 is an apocalyptic number.

12977419 is a deficient number, since it is larger than the sum of its proper divisors (2994901).

12977419 is a wasteful number, since it uses less digits than its factorization.

12977419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142629.

The product of its digits is 31752, while the sum is 40.

The square root of 12977419 is about 3602.4184931793. The cubic root of 12977419 is about 234.9972475911.

The spelling of 12977419 in words is "twelve million, nine hundred seventy-seven thousand, four hundred nineteen".