13390093 has 4 divisors (see below), whose sum is σ = 13397728. Its totient is φ = 13382460.

The previous prime is 13390051. The next prime is 13390099. The reversal of 13390093 is 39009331.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13390093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13390099) 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, 280 + ... + 5182.

It is an arithmetic number, because the mean of its divisors is an integer number (3349432).

Almost surely, 2^13390093 is an apocalyptic number.

It is an amenable number.

13390093 is a deficient number, since it is larger than the sum of its proper divisors (7635).

13390093 is an equidigital number, since it uses as much as digits as its factorization.

13390093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7634.

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 13390093 is about 3659.2476002588. The cubic root of 13390093 is about 237.4622240934.

The spelling of 13390093 in words is "thirteen million, three hundred ninety thousand, ninety-three".