15009696 has 144 divisors (see below), whose sum is σ = 48615840. Its totient is φ = 4354560.

The previous prime is 15009689. The next prime is 15009703. The reversal of 15009696 is 69690051.

It is an interprime number because it is at equal distance from previous prime (15009689) and next prime (15009703).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 15009696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71031 + ... + 71241.

It is an arithmetic number, because the mean of its divisors is an integer number (337610).

Almost surely, 2^15009696 is an apocalyptic number.

15009696 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 15009696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24307920).

15009696 is an abundant number, since it is smaller than the sum of its proper divisors (33606144).

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

15009696 is a wasteful number, since it uses less digits than its factorization.

15009696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 15009696 is about 3874.2348922078. The cubic root of 15009696 is about 246.6743346370.

The spelling of 15009696 in words is "fifteen million, nine thousand, six hundred ninety-six".