14590721 has 2 divisors, whose sum is σ = 14590722. Its totient is φ = 14590720.

The previous prime is 14590703. The next prime is 14590733. The reversal of 14590721 is 12709541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11022400 + 3568321 = 3320^2 + 1889^2 .

It is a cyclic number.

It is not a de Polignac number, because 14590721 - 2¹⁸ = 14328577 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14590921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7295360 + 7295361.

It is an arithmetic number, because the mean of its divisors is an integer number (7295361).

Almost surely, 2^14590721 is an apocalyptic number.

It is an amenable number.

14590721 is a deficient number, since it is larger than the sum of its proper divisors (1).

14590721 is an equidigital number, since it uses as much as digits as its factorization.

14590721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 14590721 is about 3819.7802292802. The cubic root of 14590721 is about 244.3574499817.

The spelling of 14590721 in words is "fourteen million, five hundred ninety thousand, seven hundred twenty-one".