14390947 has 2 divisors, whose sum is σ = 14390948. Its totient is φ = 14390946.

The previous prime is 14390933. The next prime is 14390951. The reversal of 14390947 is 74909341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14390947 - 2⁷ = 14390819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14390917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7195473 + 7195474.

It is an arithmetic number, because the mean of its divisors is an integer number (7195474).

Almost surely, 2^14390947 is an apocalyptic number.

14390947 is a deficient number, since it is larger than the sum of its proper divisors (1).

14390947 is an equidigital number, since it uses as much as digits as its factorization.

14390947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 14390947 is about 3793.5401671789. The cubic root of 14390947 is about 243.2370856400.

The spelling of 14390947 in words is "fourteen million, three hundred ninety thousand, nine hundred forty-seven".