15327313 has 4 divisors (see below), whose sum is σ = 15499620. Its totient is φ = 15155008.

The previous prime is 15327293. The next prime is 15327331. The reversal of 15327313 is 31372351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31372351 = 757 ⋅41443.

It can be written as a sum of positive squares in 2 ways, for example, as 1399489 + 13927824 = 1183^2 + 3732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15327313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15327373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86020 + ... + 86197.

It is an arithmetic number, because the mean of its divisors is an integer number (3874905).

Almost surely, 2^15327313 is an apocalyptic number.

It is an amenable number.

15327313 is a deficient number, since it is larger than the sum of its proper divisors (172307).

15327313 is an equidigital number, since it uses as much as digits as its factorization.

15327313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172306.

The product of its digits is 1890, while the sum is 25.

The square root of 15327313 is about 3915.0112388089. The cubic root of 15327313 is about 248.4021451977.

Adding to 15327313 its reverse (31372351), we get a palindrome (46699664).

The spelling of 15327313 in words is "fifteen million, three hundred twenty-seven thousand, three hundred thirteen".