13386747 has 8 divisors (see below), whose sum is σ = 19471680. Its totient is φ = 8113160.

The previous prime is 13386733. The next prime is 13386767. The reversal of 13386747 is 74768331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13386747 - 2⁶ = 13386683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13386707) 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, 202797 + ... + 202862.

It is an arithmetic number, because the mean of its divisors is an integer number (2433960).

Almost surely, 2^13386747 is an apocalyptic number.

13386747 is a deficient number, since it is larger than the sum of its proper divisors (6084933).

13386747 is a wasteful number, since it uses less digits than its factorization.

13386747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405673.

The product of its digits is 84672, while the sum is 39.

The square root of 13386747 is about 3658.7903738804. The cubic root of 13386747 is about 237.4424429315.

It can be divided in two parts, 13 and 386747, that added together give a triangular number (386760 = T₈₇₉).

The spelling of 13386747 in words is "thirteen million, three hundred eighty-six thousand, seven hundred forty-seven".