13255890 has 32 divisors (see below), whose sum is σ = 32066496. Its totient is φ = 3506880.

The previous prime is 13255873. The next prime is 13255951. The reversal of 13255890 is 9855231.

It is a Curzon 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, 2244 + ... + 5616.

It is an arithmetic number, because the mean of its divisors is an integer number (1002078).

Almost surely, 2^13255890 is an apocalyptic number.

13255890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13255890 is an abundant number, since it is smaller than the sum of its proper divisors (18810606).

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

13255890 is a wasteful number, since it uses less digits than its factorization.

13255890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 13255890 is about 3640.8639084701. The cubic root of 13255890 is about 236.6662324487. Note that the first 3 decimals are identical.

The spelling of 13255890 in words is "thirteen million, two hundred fifty-five thousand, eight hundred ninety".