14999975 has 6 divisors (see below), whose sum is σ = 18600000. Its totient is φ = 11999960.

The previous prime is 14999969. The next prime is 14999977. The reversal of 14999975 is 57999941.

It is a de Polignac number, because none of the positive numbers 2^k-14999975 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14999977) 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 in 5 ways as a sum of consecutive naturals, for example, 299975 + ... + 300024.

It is an arithmetic number, because the mean of its divisors is an integer number (3100000).

Almost surely, 2^14999975 is an apocalyptic number.

14999975 is a deficient number, since it is larger than the sum of its proper divisors (3600025).

14999975 is an equidigital number, since it uses as much as digits as its factorization.

14999975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600009 (or 600004 counting only the distinct ones).

The product of its digits is 918540, while the sum is 53.

The square root of 14999975 is about 3872.9801187200. The cubic root of 14999975 is about 246.6210704212.

The spelling of 14999975 in words is "fourteen million, nine hundred ninety-nine thousand, nine hundred seventy-five".