15330013 has 4 divisors (see below), whose sum is σ = 15447168. Its totient is φ = 15212860.

The previous prime is 15330001. The next prime is 15330019. The reversal of 15330013 is 31003351.

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 15330013 - 2⁵ = 15329981 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 (15330019) 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, 58381 + ... + 58642.

It is an arithmetic number, because the mean of its divisors is an integer number (3861792).

Almost surely, 2^15330013 is an apocalyptic number.

It is an amenable number.

15330013 is a deficient number, since it is larger than the sum of its proper divisors (117155).

15330013 is a wasteful number, since it uses less digits than its factorization.

15330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117154.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 15330013 is about 3915.3560502207. The cubic root of 15330013 is about 248.4167301941.

Adding to 15330013 its reverse (31003351), we get a palindrome (46333364).

The spelling of 15330013 in words is "fifteen million, three hundred thirty thousand, thirteen".