13939066 has 8 divisors (see below), whose sum is σ = 20952000. Its totient is φ = 6955068.

The previous prime is 13938983. The next prime is 13939069. The reversal of 13939066 is 66093931.

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

It is not an unprimeable number, because it can be changed into a prime (13939069) 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, 5986 + ... + 7981.

It is an arithmetic number, because the mean of its divisors is an integer number (2619000).

Almost surely, 2^13939066 is an apocalyptic number.

13939066 is the 1996-th nonagonal number.

13939066 is a deficient number, since it is larger than the sum of its proper divisors (7012934).

13939066 is a wasteful number, since it uses less digits than its factorization.

13939066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14468.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 13939066 is about 3733.5058591088. The cubic root of 13939066 is about 240.6640521539.

The spelling of 13939066 in words is "thirteen million, nine hundred thirty-nine thousand, sixty-six".