14958721 has 2 divisors, whose sum is σ = 14958722. Its totient is φ = 14958720.

The previous prime is 14958703. The next prime is 14958731. The reversal of 14958721 is 12785941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14554225 + 404496 = 3815^2 + 636^2 .

It is a cyclic number.

It is not a de Polignac number, because 14958721 - 2⁵ = 14958689 is a prime.

It is not a weakly prime, because it can be changed into another prime (14958731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7479360 + 7479361.

It is an arithmetic number, because the mean of its divisors is an integer number (7479361).

Almost surely, 2^14958721 is an apocalyptic number.

It is an amenable number.

14958721 is a deficient number, since it is larger than the sum of its proper divisors (1).

14958721 is an equidigital number, since it uses as much as digits as its factorization.

14958721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 37.

The square root of 14958721 is about 3867.6505788398. The cubic root of 14958721 is about 246.3947712196.

The spelling of 14958721 in words is "fourteen million, nine hundred fifty-eight thousand, seven hundred twenty-one".