13942947 has 8 divisors (see below), whose sum is σ = 18826240. Its totient is φ = 9177480.

The previous prime is 13942937. The next prime is 13942961. The reversal of 13942947 is 74924931.

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

It is not a de Polignac number, because 13942947 - 2⁴ = 13942931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13942937) 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, 29179 + ... + 29652.

It is an arithmetic number, because the mean of its divisors is an integer number (2353280).

Almost surely, 2^13942947 is an apocalyptic number.

13942947 is a deficient number, since it is larger than the sum of its proper divisors (4883293).

13942947 is an equidigital number, since it uses as much as digits as its factorization.

13942947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58913.

The product of its digits is 54432, while the sum is 39.

The square root of 13942947 is about 3734.0255757024. The cubic root of 13942947 is about 240.6863858003.

The spelling of 13942947 in words is "thirteen million, nine hundred forty-two thousand, nine hundred forty-seven".