13986906 has 8 divisors (see below), whose sum is σ = 27973824. Its totient is φ = 4662300.

The previous prime is 13986901. The next prime is 13986923. The reversal of 13986906 is 60968931.

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

13986906 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13986901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165570 + ... + 1165581.

It is an arithmetic number, because the mean of its divisors is an integer number (3496728).

Almost surely, 2^13986906 is an apocalyptic number.

13986906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13986906 is a wasteful number, since it uses less digits than its factorization.

13986906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331156.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 13986906 is about 3739.9072181005. The cubic root of 13986906 is about 240.9390639255.

The spelling of 13986906 in words is "thirteen million, nine hundred eighty-six thousand, nine hundred six".