15116397 has 8 divisors (see below), whose sum is σ = 20439360. Its totient is φ = 9935520.

The previous prime is 15116393. The next prime is 15116399. The reversal of 15116397 is 79361151.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15116397 - 2² = 15116393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15116393) 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 7 ways as a sum of consecutive naturals, for example, 35272 + ... + 35697.

It is an arithmetic number, because the mean of its divisors is an integer number (2554920).

Almost surely, 2^15116397 is an apocalyptic number.

It is an amenable number.

15116397 is a deficient number, since it is larger than the sum of its proper divisors (5322963).

15116397 is an equidigital number, since it uses as much as digits as its factorization.

15116397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71043.

The product of its digits is 5670, while the sum is 33.

The square root of 15116397 is about 3887.9810956331. The cubic root of 15116397 is about 247.2574749058.

The spelling of 15116397 in words is "fifteen million, one hundred sixteen thousand, three hundred ninety-seven".