14918729 has 4 divisors (see below), whose sum is σ = 17049984. Its totient is φ = 12787476.

The previous prime is 14918723. The next prime is 14918737. The reversal of 14918729 is 92781941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14918729 - 2⁴ = 14918713 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14918723) 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, 1065617 + ... + 1065630.

It is an arithmetic number, because the mean of its divisors is an integer number (4262496).

Almost surely, 2^14918729 is an apocalyptic number.

It is an amenable number.

14918729 is a deficient number, since it is larger than the sum of its proper divisors (2131255).

14918729 is an equidigital number, since it uses as much as digits as its factorization.

14918729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131254.

The product of its digits is 36288, while the sum is 41.

The square root of 14918729 is about 3862.4770549480. The cubic root of 14918729 is about 246.1749972135.

The spelling of 14918729 in words is "fourteen million, nine hundred eighteen thousand, seven hundred twenty-nine".