15109396 has 12 divisors (see below), whose sum is σ = 27996948. Its totient is φ = 7110272.

The previous prime is 15109387. The next prime is 15109397. The reversal of 15109396 is 69390151.

It can be written as a sum of positive squares in 2 ways, for example, as 12859396 + 2250000 = 3586^2 + 1500^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15109397) 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, 111031 + ... + 111166.

It is an arithmetic number, because the mean of its divisors is an integer number (2333079).

Almost surely, 2^15109396 is an apocalyptic number.

It is an amenable number.

15109396 is a deficient number, since it is larger than the sum of its proper divisors (12887552).

15109396 is a wasteful number, since it uses less digits than its factorization.

15109396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222218 (or 222216 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 15109396 is about 3887.0806526235. The cubic root of 15109396 is about 247.2192974465.

The spelling of 15109396 in words is "fifteen million, one hundred nine thousand, three hundred ninety-six".