14637993 has 4 divisors (see below), whose sum is σ = 19517328. Its totient is φ = 9758660.

The previous prime is 14637991. The next prime is 14638027. The reversal of 14637993 is 39973641.

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 14637993 - 2¹ = 14637991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14637991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439663 + ... + 2439668.

It is an arithmetic number, because the mean of its divisors is an integer number (4879332).

Almost surely, 2^14637993 is an apocalyptic number.

It is an amenable number.

14637993 is a deficient number, since it is larger than the sum of its proper divisors (4879335).

14637993 is an equidigital number, since it uses as much as digits as its factorization.

14637993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4879334.

The product of its digits is 122472, while the sum is 42.

The square root of 14637993 is about 3825.9630160262. The cubic root of 14637993 is about 244.6210607364.

The spelling of 14637993 in words is "fourteen million, six hundred thirty-seven thousand, nine hundred ninety-three".