12396877 has 6 divisors (see below), whose sum is σ = 12520394. Its totient is φ = 12274080.

The previous prime is 12396863. The next prime is 12396889. The reversal of 12396877 is 77869321.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2499561 + 9897316 = 1581^2 + 3146^2 .

It is not a de Polignac number, because 12396877 - 2⁷ = 12396749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12396677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43977 + ... + 44257.

Almost surely, 2^12396877 is an apocalyptic number.

It is an amenable number.

12396877 is a deficient number, since it is larger than the sum of its proper divisors (123517).

12396877 is an frugal number, since it uses more digits than its factorization.

12396877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 438 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 12396877 is about 3520.9199082058. The cubic root of 12396877 is about 231.4394724726.

The spelling of 12396877 in words is "twelve million, three hundred ninety-six thousand, eight hundred seventy-seven".