15215696 has 40 divisors (see below), whose sum is σ = 31069440. Its totient is φ = 7204736.

The previous prime is 15215693. The next prime is 15215701. The reversal of 15215696 is 69651251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15215693) 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, 63545 + ... + 63783.

It is an arithmetic number, because the mean of its divisors is an integer number (776736).

Almost surely, 2^15215696 is an apocalyptic number.

15215696 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 15215696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15534720).

15215696 is an abundant number, since it is smaller than the sum of its proper divisors (15853744).

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

15215696 is a wasteful number, since it uses less digits than its factorization.

15215696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 437 counting only the distinct ones).

The product of its digits is 16200, while the sum is 35.

The square root of 15215696 is about 3900.7301880545. The cubic root of 15215696 is about 247.7977018319.

The spelling of 15215696 in words is "fifteen million, two hundred fifteen thousand, six hundred ninety-six".