13880236 has 12 divisors (see below), whose sum is σ = 24476760. Its totient is φ = 6886880.

The previous prime is 13880231. The next prime is 13880257. The reversal of 13880236 is 63208831.

It is a junction number, because it is equal to n+sod(n) for n = 13880198 and 13880207.

It is not an unprimeable number, because it can be changed into a prime (13880231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12721 + ... + 13768.

It is an arithmetic number, because the mean of its divisors is an integer number (2039730).

Almost surely, 2^13880236 is an apocalyptic number.

It is an amenable number.

13880236 is a deficient number, since it is larger than the sum of its proper divisors (10596524).

13880236 is a wasteful number, since it uses less digits than its factorization.

13880236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26624 (or 26622 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 13880236 is about 3725.6188747643. The cubic root of 13880236 is about 240.3249995133.

The spelling of 13880236 in words is "thirteen million, eight hundred eighty thousand, two hundred thirty-six".