13950681 has 16 divisors (see below), whose sum is σ = 19144704. Its totient is φ = 9031824.

The previous prime is 13950667. The next prime is 13950683. The reversal of 13950681 is 18605931.

It is not a de Polignac number, because 13950681 - 2⁵ = 13950649 is a prime.

It is a super-2 number, since 2×13950681² = 389243000727522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13950683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22680 + ... + 23286.

It is an arithmetic number, because the mean of its divisors is an integer number (1196544).

Almost surely, 2^13950681 is an apocalyptic number.

It is an amenable number.

13950681 is a deficient number, since it is larger than the sum of its proper divisors (5194023).

13950681 is a wasteful number, since it uses less digits than its factorization.

13950681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 13950681 is about 3735.0610436779. The cubic root of 13950681 is about 240.7308796086.

The spelling of 13950681 in words is "thirteen million, nine hundred fifty thousand, six hundred eighty-one".