15116387 has 16 divisors (see below), whose sum is σ = 18245472. Its totient is φ = 12337920.

The previous prime is 15116377. The next prime is 15116393. The reversal of 15116387 is 78361151.

15116387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15116387 - 2¹⁶ = 15050851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15116317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3863 + ... + 6719.

It is an arithmetic number, because the mean of its divisors is an integer number (1140342).

Almost surely, 2^15116387 is an apocalyptic number.

15116387 is a deficient number, since it is larger than the sum of its proper divisors (3129085).

15116387 is a wasteful number, since it uses less digits than its factorization.

15116387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918.

The product of its digits is 5040, while the sum is 32.

The square root of 15116387 is about 3887.9798096184. The cubic root of 15116387 is about 247.2574203827.

The spelling of 15116387 in words is "fifteen million, one hundred sixteen thousand, three hundred eighty-seven".