13255140 has 24 divisors (see below), whose sum is σ = 37114560. Its totient is φ = 3534688.

The previous prime is 13255127. The next prime is 13255157. The reversal of 13255140 is 4155231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110400 + ... + 110519.

It is an arithmetic number, because the mean of its divisors is an integer number (1546440).

Almost surely, 2^13255140 is an apocalyptic number.

13255140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13255140 is an abundant number, since it is smaller than the sum of its proper divisors (23859420).

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

13255140 is a wasteful number, since it uses less digits than its factorization.

13255140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220931 (or 220929 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 13255140 is about 3640.7609094803. The cubic root of 13255140 is about 236.6617689480.

Subtracting from 13255140 its reverse (4155231), we obtain a palindrome (9099909).

The spelling of 13255140 in words is "thirteen million, two hundred fifty-five thousand, one hundred forty".