13957961 has 8 divisors (see below), whose sum is σ = 14644800. Its totient is φ = 13284880.

The previous prime is 13957949. The next prime is 13957981. The reversal of 13957961 is 16975931.

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 13957961 - 2¹⁰ = 13956937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13957981) 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, 1331 + ... + 5448.

It is an arithmetic number, because the mean of its divisors is an integer number (1830600).

Almost surely, 2^13957961 is an apocalyptic number.

It is an amenable number.

13957961 is a deficient number, since it is larger than the sum of its proper divisors (686839).

13957961 is an equidigital number, since it uses as much as digits as its factorization.

13957961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6879.

The product of its digits is 51030, while the sum is 41.

The square root of 13957961 is about 3736.0354655704. The cubic root of 13957961 is about 240.7727465265.

The spelling of 13957961 in words is "thirteen million, nine hundred fifty-seven thousand, nine hundred sixty-one".