15383313 has 12 divisors (see below), whose sum is σ = 24240528. Its totient is φ = 9323160.

The previous prime is 15383299. The next prime is 15383321. The reversal of 15383313 is 31338351.

It is not a de Polignac number, because 15383313 - 2¹⁷ = 15252241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15383213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77595 + ... + 77792.

It is an arithmetic number, because the mean of its divisors is an integer number (2020044).

Almost surely, 2^15383313 is an apocalyptic number.

It is an amenable number.

15383313 is a deficient number, since it is larger than the sum of its proper divisors (8857215).

15383313 is a wasteful number, since it uses less digits than its factorization.

15383313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155404 (or 155401 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 15383313 is about 3922.1566771357. The cubic root of 15383313 is about 248.7042989028.

It can be divided in two parts, 1538 and 3313, that added together give a triangular number (4851 = T₉₈).

The spelling of 15383313 in words is "fifteen million, three hundred eighty-three thousand, three hundred thirteen".