14947931 has 2 divisors, whose sum is σ = 14947932. Its totient is φ = 14947930.

The previous prime is 14947897. The next prime is 14947937. The reversal of 14947931 is 13974941.

14947931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (13974941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14947931 - 2¹⁰ = 14946907 is a prime.

It is a super-2 number, since 2×14947931² = 446881282361522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14947937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7473965 + 7473966.

It is an arithmetic number, because the mean of its divisors is an integer number (7473966).

Almost surely, 2^14947931 is an apocalyptic number.

14947931 is a deficient number, since it is larger than the sum of its proper divisors (1).

14947931 is an equidigital number, since it uses as much as digits as its factorization.

14947931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 14947931 is about 3866.2554235332. The cubic root of 14947931 is about 246.3355139460.

The spelling of 14947931 in words is "fourteen million, nine hundred forty-seven thousand, nine hundred thirty-one".