13990763 has 8 divisors (see below), whose sum is σ = 14275296. Its totient is φ = 13708800.

The previous prime is 13990751. The next prime is 13990793. The reversal of 13990763 is 36709931.

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

It is a cyclic number.

It is not a de Polignac number, because 13990763 - 2⁴ = 13990747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13990723) 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, 13193 + ... + 14213.

It is an arithmetic number, because the mean of its divisors is an integer number (1784412).

Almost surely, 2^13990763 is an apocalyptic number.

13990763 is a deficient number, since it is larger than the sum of its proper divisors (284533).

13990763 is a wasteful number, since it uses less digits than its factorization.

13990763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 13990763 is about 3740.4228370600. The cubic root of 13990763 is about 240.9612088412.

The spelling of 13990763 in words is "thirteen million, nine hundred ninety thousand, seven hundred sixty-three".