14921307 has 16 divisors (see below), whose sum is σ = 22260000. Its totient is φ = 9878112.

The previous prime is 14921299. The next prime is 14921339. The reversal of 14921307 is 70312941.

It is not a de Polignac number, because 14921307 - 2³ = 14921299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (14921107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2169 + ... + 5877.

It is an arithmetic number, because the mean of its divisors is an integer number (1391250).

Almost surely, 2^14921307 is an apocalyptic number.

14921307 is a deficient number, since it is larger than the sum of its proper divisors (7338693).

14921307 is a wasteful number, since it uses less digits than its factorization.

14921307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867 (or 3861 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 14921307 is about 3862.8107641975. The cubic root of 14921307 is about 246.1891763166.

The spelling of 14921307 in words is "fourteen million, nine hundred twenty-one thousand, three hundred seven".