13500744 has 32 divisors (see below), whose sum is σ = 33976320. Its totient is φ = 4470336.

The previous prime is 13500733. The next prime is 13500749. The reversal of 13500744 is 44700531.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13500749) 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, 1977 + ... + 5559.

It is an arithmetic number, because the mean of its divisors is an integer number (1061760).

Almost surely, 2^13500744 is an apocalyptic number.

It is an amenable number.

13500744 is an abundant number, since it is smaller than the sum of its proper divisors (20475576).

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

13500744 is a wasteful number, since it uses less digits than its factorization.

13500744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749 (or 3745 counting only the distinct ones).

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

The square root of 13500744 is about 3674.3358583559. The cubic root of 13500744 is about 238.1145318867.

The spelling of 13500744 in words is "thirteen million, five hundred thousand, seven hundred forty-four".