15247968 has 48 divisors (see below), whose sum is σ = 41413680. Its totient is φ = 4906496.

The previous prime is 15247957. The next prime is 15247993. The reversal of 15247968 is 86974251.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46 + ... + 5522.

It is an arithmetic number, because the mean of its divisors is an integer number (862785).

Almost surely, 2^15247968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15247968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20706840).

15247968 is an abundant number, since it is smaller than the sum of its proper divisors (26165712).

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

15247968 is a wasteful number, since it uses less digits than its factorization.

15247968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519 (or 5511 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 15247968 is about 3904.8646583460. The cubic root of 15247968 is about 247.9727684286.

The spelling of 15247968 in words is "fifteen million, two hundred forty-seven thousand, nine hundred sixty-eight".