14870909 has 2 divisors, whose sum is σ = 14870910. Its totient is φ = 14870908.

The previous prime is 14870887. The next prime is 14870927. The reversal of 14870909 is 90907841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14100025 + 770884 = 3755^2 + 878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14870909 is a prime.

It is a super-2 number, since 2×14870909² = 442287868972562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14870969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7435454 + 7435455.

It is an arithmetic number, because the mean of its divisors is an integer number (7435455).

Almost surely, 2^14870909 is an apocalyptic number.

It is an amenable number.

14870909 is a deficient number, since it is larger than the sum of its proper divisors (1).

14870909 is an equidigital number, since it uses as much as digits as its factorization.

14870909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 14870909 is about 3856.2817583781. The cubic root of 14870909 is about 245.9116886173.

The spelling of 14870909 in words is "fourteen million, eight hundred seventy thousand, nine hundred nine".