15249713 has 4 divisors (see below), whose sum is σ = 15912768. Its totient is φ = 14586660.

The previous prime is 15249701. The next prime is 15249719. The reversal of 15249713 is 31794251.

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 an emirpimes, since its reverse is a distinct semiprime: 31794251 = 31 ⋅1025621.

It is a cyclic number.

It is not a de Polignac number, because 15249713 - 2¹⁶ = 15184177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15249713.

It is not an unprimeable number, because it can be changed into a prime (15249719) 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, 331493 + ... + 331538.

It is an arithmetic number, because the mean of its divisors is an integer number (3978192).

Almost surely, 2^15249713 is an apocalyptic number.

It is an amenable number.

15249713 is a deficient number, since it is larger than the sum of its proper divisors (663055).

15249713 is an equidigital number, since it uses as much as digits as its factorization.

15249713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663054.

The product of its digits is 7560, while the sum is 32.

The square root of 15249713 is about 3905.0880911959. The cubic root of 15249713 is about 247.9822275245.

The spelling of 15249713 in words is "fifteen million, two hundred forty-nine thousand, seven hundred thirteen".