14975909 has 4 divisors (see below), whose sum is σ = 16127916. Its totient is φ = 13823904.

The previous prime is 14975899. The next prime is 14975953. The reversal of 14975909 is 90957941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9672100 + 5303809 = 3110^2 + 2303^2 .

It is a cyclic number.

It is not a de Polignac number, because 14975909 - 2⁴ = 14975893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14975909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14975969) 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 in 3 ways as a sum of consecutive naturals, for example, 575984 + ... + 576009.

It is an arithmetic number, because the mean of its divisors is an integer number (4031979).

Almost surely, 2^14975909 is an apocalyptic number.

It is an amenable number.

14975909 is a deficient number, since it is larger than the sum of its proper divisors (1152007).

14975909 is a wasteful number, since it uses less digits than its factorization.

14975909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152006.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 14975909 is about 3869.8719617062. The cubic root of 14975909 is about 246.4891066534.

The spelling of 14975909 in words is "fourteen million, nine hundred seventy-five thousand, nine hundred nine".