13962681 has 12 divisors (see below), whose sum is σ = 20200752. Its totient is φ = 9293496.

The previous prime is 13962677. The next prime is 13962709. The reversal of 13962681 is 18626931.

13962681 is a `hidden beast` number, since 1 + 396 + 268 + 1 = 666.

13962681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13962681 - 2² = 13962677 is a prime.

It is a super-2 number, since 2×13962681² = 389912921415522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13962631) 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 11 ways as a sum of consecutive naturals, for example, 10030 + ... + 11336.

It is an arithmetic number, because the mean of its divisors is an integer number (1683396).

Almost surely, 2^13962681 is an apocalyptic number.

It is an amenable number.

13962681 is a deficient number, since it is larger than the sum of its proper divisors (6238071).

13962681 is a wasteful number, since it uses less digits than its factorization.

13962681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500 (or 2497 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 13962681 is about 3736.6670978293. The cubic root of 13962681 is about 240.7998832334.

The spelling of 13962681 in words is "thirteen million, nine hundred sixty-two thousand, six hundred eighty-one".