13886890 has 16 divisors (see below), whose sum is σ = 25349760. Its totient is φ = 5476240.

The previous prime is 13886881. The next prime is 13886897. The reversal of 13886890 is 9868831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13886897) 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, 9070 + ... + 10489.

It is an arithmetic number, because the mean of its divisors is an integer number (1584360).

Almost surely, 2^13886890 is an apocalyptic number.

13886890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13886890 is a deficient number, since it is larger than the sum of its proper divisors (11462870).

13886890 is a wasteful number, since it uses less digits than its factorization.

13886890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19637.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 13886890 is about 3726.5117737638. The cubic root of 13886890 is about 240.3633962448.

The spelling of 13886890 in words is "thirteen million, eight hundred eighty-six thousand, eight hundred ninety".