15971248 has 40 divisors (see below), whose sum is σ = 32944320. Its totient is φ = 7479360.

The previous prime is 15971243. The next prime is 15971251. The reversal of 15971248 is 84217951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15971243) 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, 32283 + ... + 32773.

It is an arithmetic number, because the mean of its divisors is an integer number (823608).

Almost surely, 2^15971248 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 15971248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16472160).

15971248 is an abundant number, since it is smaller than the sum of its proper divisors (16973072).

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

15971248 is a wasteful number, since it uses less digits than its factorization.

15971248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 619 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 15971248 is about 3996.4043839431. The cubic root of 15971248 is about 251.8331809346.

The spelling of 15971248 in words is "fifteen million, nine hundred seventy-one thousand, two hundred forty-eight".