13657042 has 16 divisors (see below), whose sum is σ = 23572800. Its totient is φ = 5812848.

The previous prime is 13657031. The next prime is 13657043. The reversal of 13657042 is 24075631.

It is a self number, because there is not a number n which added to its sum of digits gives 13657042.

It is not an unprimeable number, because it can be changed into a prime (13657043) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1188 + ... + 5359.

It is an arithmetic number, because the mean of its divisors is an integer number (1473300).

Almost surely, 2^13657042 is an apocalyptic number.

13657042 is a deficient number, since it is larger than the sum of its proper divisors (9915758).

13657042 is a wasteful number, since it uses less digits than its factorization.

13657042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6705.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 13657042 is about 3695.5435324185. The cubic root of 13657042 is about 239.0298918630.

The spelling of 13657042 in words is "thirteen million, six hundred fifty-seven thousand, forty-two".