13138748 has 12 divisors (see below), whose sum is σ = 26277552. Its totient is φ = 5630880.

The previous prime is 13138721. The next prime is 13138757. The reversal of 13138748 is 84783131.

13138748 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234593 + ... + 234648.

It is an arithmetic number, because the mean of its divisors is an integer number (2189796).

Almost surely, 2^13138748 is an apocalyptic number.

It is an amenable number.

13138748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13138748 is a wasteful number, since it uses less digits than its factorization.

13138748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469252 (or 469250 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 13138748 is about 3624.7410942025. The cubic root of 13138748 is about 235.9670307291.

It can be divided in two parts, 131387 and 48, that multiplied together give a triangular number (6306576 = T₃₅₅₁).

The spelling of 13138748 in words is "thirteen million, one hundred thirty-eight thousand, seven hundred forty-eight".