14931247 has 2 divisors, whose sum is σ = 14931248. Its totient is φ = 14931246.

The previous prime is 14931223. The next prime is 14931269. The reversal of 14931247 is 74213941.

It is a strong prime.

It is an emirp because it is prime and its reverse (74213941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14931247 - 2¹⁵ = 14898479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14931647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7465623 + 7465624.

It is an arithmetic number, because the mean of its divisors is an integer number (7465624).

Almost surely, 2^14931247 is an apocalyptic number.

14931247 is a deficient number, since it is larger than the sum of its proper divisors (1).

14931247 is an equidigital number, since it uses as much as digits as its factorization.

14931247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 14931247 is about 3864.0971778670. The cubic root of 14931247 is about 246.2438314309.

The spelling of 14931247 in words is "fourteen million, nine hundred thirty-one thousand, two hundred forty-seven".