13401806 has 8 divisors (see below), whose sum is σ = 21930264. Its totient is φ = 6091720.

The previous prime is 13401803. The next prime is 13401833. The reversal of 13401806 is 60810431.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13401803) 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, 304565 + ... + 304608.

It is an arithmetic number, because the mean of its divisors is an integer number (2741283).

Almost surely, 2^13401806 is an apocalyptic number.

13401806 is a deficient number, since it is larger than the sum of its proper divisors (8528458).

13401806 is a wasteful number, since it uses less digits than its factorization.

13401806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609186.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 13401806 is about 3660.8477160352. The cubic root of 13401806 is about 237.5314440362.

The spelling of 13401806 in words is "thirteen million, four hundred one thousand, eight hundred six".