13538748 has 24 divisors (see below), whose sum is σ = 31667328. Its totient is φ = 4501936.

The previous prime is 13538731. The next prime is 13538779. The reversal of 13538748 is 84783531.

It is a congruent number.

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, 4915 + ... + 7157.

It is an arithmetic number, because the mean of its divisors is an integer number (1319472).

Almost surely, 2^13538748 is an apocalyptic number.

It is an amenable number.

13538748 is an abundant number, since it is smaller than the sum of its proper divisors (18128580).

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

13538748 is a wasteful number, since it uses less digits than its factorization.

13538748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753 (or 2751 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 13538748 is about 3679.5037708909. The cubic root of 13538748 is about 238.3377498760.

It can be divided in two parts, 1353 and 8748, that added together give a palindrome (10101).

The spelling of 13538748 in words is "thirteen million, five hundred thirty-eight thousand, seven hundred forty-eight".