13808542 has 8 divisors (see below), whose sum is σ = 22595832. Its totient is φ = 6276600.

The previous prime is 13808527. The next prime is 13808549. The reversal of 13808542 is 24580831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13808549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313809 + ... + 313852.

It is an arithmetic number, because the mean of its divisors is an integer number (2824479).

Almost surely, 2^13808542 is an apocalyptic number.

13808542 is a deficient number, since it is larger than the sum of its proper divisors (8787290).

13808542 is a wasteful number, since it uses less digits than its factorization.

13808542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627674.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 13808542 is about 3715.9846608941. The cubic root of 13808542 is about 239.9105106175.

The spelling of 13808542 in words is "thirteen million, eight hundred eight thousand, five hundred forty-two".