13504740 has 24 divisors (see below), whose sum is σ = 37813440. Its totient is φ = 3601248.

The previous prime is 13504739. The next prime is 13504753. The reversal of 13504740 is 4740531.

It is a self number, because there is not a number n which added to its sum of digits gives 13504740.

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, 112480 + ... + 112599.

It is an arithmetic number, because the mean of its divisors is an integer number (1575560).

Almost surely, 2^13504740 is an apocalyptic number.

13504740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13504740 is an abundant number, since it is smaller than the sum of its proper divisors (24308700).

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

13504740 is a wasteful number, since it uses less digits than its factorization.

13504740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225091 (or 225089 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 13504740 is about 3674.8795898641. The cubic root of 13504740 is about 238.1380222417.

The spelling of 13504740 in words is "thirteen million, five hundred four thousand, seven hundred forty".