13387942 has 16 divisors (see below), whose sum is σ = 21356352. Its totient is φ = 6272640.

The previous prime is 13387931. The next prime is 13387943. The reversal of 13387942 is 24978331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13387943) 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, 8488 + ... + 9940.

It is an arithmetic number, because the mean of its divisors is an integer number (1334772).

Almost surely, 2^13387942 is an apocalyptic number.

13387942 is a deficient number, since it is larger than the sum of its proper divisors (7968410).

13387942 is a wasteful number, since it uses less digits than its factorization.

13387942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743.

The product of its digits is 36288, while the sum is 37.

The square root of 13387942 is about 3658.9536755745. The cubic root of 13387942 is about 237.4495080105.

The spelling of 13387942 in words is "thirteen million, three hundred eighty-seven thousand, nine hundred forty-two".