14926921 has 2 divisors, whose sum is σ = 14926922. Its totient is φ = 14926920.

The previous prime is 14926897. The next prime is 14926939. The reversal of 14926921 is 12962941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14907321 + 19600 = 3861^2 + 140^2 .

It is an emirp because it is prime and its reverse (12962941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14926921 - 2¹¹ = 14924873 is a prime.

It is not a weakly prime, because it can be changed into another prime (14926981) 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, 7463460 + 7463461.

It is an arithmetic number, because the mean of its divisors is an integer number (7463461).

Almost surely, 2^14926921 is an apocalyptic number.

It is an amenable number.

14926921 is a deficient number, since it is larger than the sum of its proper divisors (1).

14926921 is an equidigital number, since it uses as much as digits as its factorization.

14926921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 14926921 is about 3863.5373687852. The cubic root of 14926921 is about 246.2200478914.

The spelling of 14926921 in words is "fourteen million, nine hundred twenty-six thousand, nine hundred twenty-one".