13456240 has 40 divisors (see below), whose sum is σ = 35756640. Its totient is φ = 4613376.

The previous prime is 13456211. The next prime is 13456249. The reversal of 13456240 is 4265431.

13456240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13456249) 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, 11455 + ... + 12574.

It is an arithmetic number, because the mean of its divisors is an integer number (893916).

Almost surely, 2^13456240 is an apocalyptic number.

13456240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13456240 is an abundant number, since it is smaller than the sum of its proper divisors (22300400).

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

13456240 is a wasteful number, since it uses less digits than its factorization.

13456240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24049 (or 24043 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 13456240 is about 3668.2747988666. The cubic root of 13456240 is about 237.8526027521.

The spelling of 13456240 in words is "thirteen million, four hundred fifty-six thousand, two hundred forty".