14312989 has 2 divisors, whose sum is σ = 14312990. Its totient is φ = 14312988.

The previous prime is 14312981. The next prime is 14313001. The reversal of 14312989 is 98921341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11108889 + 3204100 = 3333^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 14312989 - 2³ = 14312981 is a prime.

It is a super-2 number, since 2×14312989² = 409723308228242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14312981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7156494 + 7156495.

It is an arithmetic number, because the mean of its divisors is an integer number (7156495).

Almost surely, 2^14312989 is an apocalyptic number.

It is an amenable number.

14312989 is a deficient number, since it is larger than the sum of its proper divisors (1).

14312989 is an equidigital number, since it uses as much as digits as its factorization.

14312989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 37.

The square root of 14312989 is about 3783.2511151125. The cubic root of 14312989 is about 242.7970724225.

The spelling of 14312989 in words is "fourteen million, three hundred twelve thousand, nine hundred eighty-nine".