12616878 has 16 divisors (see below), whose sum is σ = 25419600. Its totient is φ = 4174656.

The previous prime is 12616861. The next prime is 12616909. The reversal of 12616878 is 87861621.

It is a super-2 number, since 2×12616878² = 318371220933768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6853 + ... + 8496.

It is an arithmetic number, because the mean of its divisors is an integer number (1588725).

Almost surely, 2^12616878 is an apocalyptic number.

12616878 is an abundant number, since it is smaller than the sum of its proper divisors (12802722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12616878 is a wasteful number, since it uses less digits than its factorization.

12616878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15491.

The product of its digits is 32256, while the sum is 39.

The square root of 12616878 is about 3552.0244931588. The cubic root of 12616878 is about 232.8005317001.

The spelling of 12616878 in words is "twelve million, six hundred sixteen thousand, eight hundred seventy-eight".