13880878 has 24 divisors (see below), whose sum is σ = 23461200. Its totient is φ = 6151200.

The previous prime is 13880861. The next prime is 13880899. The reversal of 13880878 is 87808831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9223 + ... + 10621.

It is an arithmetic number, because the mean of its divisors is an integer number (977550).

Almost surely, 2^13880878 is an apocalyptic number.

13880878 is a deficient number, since it is larger than the sum of its proper divisors (9580322).

13880878 is a wasteful number, since it uses less digits than its factorization.

13880878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464 (or 1453 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 43.

The square root of 13880878 is about 3725.7050339500. The cubic root of 13880878 is about 240.3287046922.

The spelling of 13880878 in words is "thirteen million, eight hundred eighty thousand, eight hundred seventy-eight".