14921393 has 8 divisors (see below), whose sum is σ = 16059240. Its totient is φ = 13812480.

The previous prime is 14921383. The next prime is 14921429. The reversal of 14921393 is 39312941.

It can be written as a sum of positive squares in 4 ways, for example, as 237169 + 14684224 = 487^2 + 3832^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14921393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14921363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6158 + ... + 8231.

It is an arithmetic number, because the mean of its divisors is an integer number (2007405).

Almost surely, 2^14921393 is an apocalyptic number.

It is an amenable number.

14921393 is a deficient number, since it is larger than the sum of its proper divisors (1137847).

14921393 is a wasteful number, since it uses less digits than its factorization.

14921393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14467.

The product of its digits is 5832, while the sum is 32.

The square root of 14921393 is about 3862.8218959719. The cubic root of 14921393 is about 246.1896492919.

The spelling of 14921393 in words is "fourteen million, nine hundred twenty-one thousand, three hundred ninety-three".