14902021 has 2 divisors, whose sum is σ = 14902022. Its totient is φ = 14902020.

The previous prime is 14902003. The next prime is 14902049. The reversal of 14902021 is 12020941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14145121 + 756900 = 3761^2 + 870^2 .

It is a cyclic number.

It is not a de Polignac number, because 14902021 - 2¹³ = 14893829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14902021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14902621) 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, 7451010 + 7451011.

It is an arithmetic number, because the mean of its divisors is an integer number (7451011).

Almost surely, 2^14902021 is an apocalyptic number.

It is an amenable number.

14902021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14902021 is an equidigital number, since it uses as much as digits as its factorization.

14902021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 14902021 is about 3860.3135882982. The cubic root of 14902021 is about 246.0830629235.

Adding to 14902021 its reverse (12020941), we get a palindrome (26922962).

The spelling of 14902021 in words is "fourteen million, nine hundred two thousand, twenty-one".