14894021 has 2 divisors, whose sum is σ = 14894022. Its totient is φ = 14894020.

The previous prime is 14893999. The next prime is 14894027. The reversal of 14894021 is 12049841.

14894021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13653025 + 1240996 = 3695^2 + 1114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14894021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14894027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7447010 + 7447011.

It is an arithmetic number, because the mean of its divisors is an integer number (7447011).

Almost surely, 2^14894021 is an apocalyptic number.

It is an amenable number.

14894021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14894021 is an equidigital number, since it uses as much as digits as its factorization.

14894021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 14894021 is about 3859.2772639446. The cubic root of 14894021 is about 246.0390193025.

The spelling of 14894021 in words is "fourteen million, eight hundred ninety-four thousand, twenty-one".