13507748 has 6 divisors (see below), whose sum is σ = 23638566. Its totient is φ = 6753872.

The previous prime is 13507721. The next prime is 13507751. The reversal of 13507748 is 84770531.

It can be written as a sum of positive squares in only one way, i.e., 12902464 + 605284 = 3592^2 + 778^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1688465 + ... + 1688472.

It is an arithmetic number, because the mean of its divisors is an integer number (3939761).

Almost surely, 2^13507748 is an apocalyptic number.

It is an amenable number.

13507748 is a deficient number, since it is larger than the sum of its proper divisors (10130818).

13507748 is a wasteful number, since it uses less digits than its factorization.

13507748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376941 (or 3376939 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 13507748 is about 3675.2888321872. The cubic root of 13507748 is about 238.1557016143.

The spelling of 13507748 in words is "thirteen million, five hundred seven thousand, seven hundred forty-eight".