13986806 has 16 divisors (see below), whose sum is σ = 22309344. Its totient is φ = 6561984.

The previous prime is 13986769. The next prime is 13986809. The reversal of 13986806 is 60868931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13986809) 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, 431 + ... + 5306.

It is an arithmetic number, because the mean of its divisors is an integer number (1394334).

Almost surely, 2^13986806 is an apocalyptic number.

13986806 is a deficient number, since it is larger than the sum of its proper divisors (8322538).

13986806 is a wasteful number, since it uses less digits than its factorization.

13986806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 13986806 is about 3739.8938487610. The cubic root of 13986806 is about 240.9384897227.

The spelling of 13986806 in words is "thirteen million, nine hundred eighty-six thousand, eight hundred six".