14142947 has 16 divisors (see below), whose sum is σ = 17653440. Its totient is φ = 11031552.

The previous prime is 14142941. The next prime is 14142971. The reversal of 14142947 is 74924141.

It is not a de Polignac number, because 14142947 - 2²⁰ = 13094371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14142941) 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, 5579 + ... + 7707.

It is an arithmetic number, because the mean of its divisors is an integer number (1103340).

Almost surely, 2^14142947 is an apocalyptic number.

14142947 is a deficient number, since it is larger than the sum of its proper divisors (3510493).

14142947 is a wasteful number, since it uses less digits than its factorization.

14142947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222.

The product of its digits is 8064, while the sum is 32.

The square root of 14142947 is about 3760.7109700162. The cubic root of 14142947 is about 241.8317422034.

The spelling of 14142947 in words is "fourteen million, one hundred forty-two thousand, nine hundred forty-seven".