13884870 has 32 divisors (see below), whose sum is σ = 34774272. Its totient is φ = 3541472.

The previous prime is 13884853. The next prime is 13884889. The reversal of 13884870 is 7848831.

It is a super-2 number, since 2×13884870² = 385579229833800, 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 15 ways as a sum of consecutive naturals, for example, 9372 + ... + 10751.

It is an arithmetic number, because the mean of its divisors is an integer number (1086696).

Almost surely, 2^13884870 is an apocalyptic number.

13884870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13884870 is an abundant number, since it is smaller than the sum of its proper divisors (20889402).

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

13884870 is a wasteful number, since it uses less digits than its factorization.

13884870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20156.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 13884870 is about 3726.2407329640. The cubic root of 13884870 is about 240.3517411848.

The spelling of 13884870 in words is "thirteen million, eight hundred eighty-four thousand, eight hundred seventy".