15109696 has 56 divisors (see below), whose sum is σ = 35478720. Its totient is φ = 6246912.

The previous prime is 15109673. The next prime is 15109697. The reversal of 15109696 is 69690151.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (15109697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12411 + ... + 13573.

Almost surely, 2^15109696 is an apocalyptic number.

15109696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15109696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17739360).

15109696 is an abundant number, since it is smaller than the sum of its proper divisors (20369024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15109696 is a wasteful number, since it uses less digits than its factorization.

15109696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 15109696 is about 3887.1192418036. The cubic root of 15109696 is about 247.2209336315.

The spelling of 15109696 in words is "fifteen million, one hundred nine thousand, six hundred ninety-six".