14539969 has 2 divisors, whose sum is σ = 14539970. Its totient is φ = 14539968.

The previous prime is 14539949. The next prime is 14539999. The reversal of 14539969 is 96993541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10316944 + 4223025 = 3212^2 + 2055^2 .

It is a cyclic number.

It is not a de Polignac number, because 14539969 - 2⁵ = 14539937 is a prime.

It is a super-2 number, since 2×14539969² = 422821397041922, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (14539919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7269984 + 7269985.

It is an arithmetic number, because the mean of its divisors is an integer number (7269985).

Almost surely, 2^14539969 is an apocalyptic number.

It is an amenable number.

14539969 is a deficient number, since it is larger than the sum of its proper divisors (1).

14539969 is an equidigital number, since it uses as much as digits as its factorization.

14539969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 262440, while the sum is 46.

The square root of 14539969 is about 3813.1311280888. The cubic root of 14539969 is about 244.0737985586.

The spelling of 14539969 in words is "fourteen million, five hundred thirty-nine thousand, nine hundred sixty-nine".