15980712 has 48 divisors (see below), whose sum is σ = 43921920. Its totient is φ = 4841760.

The previous prime is 15980677. The next prime is 15980743. The reversal of 15980712 is 21708951.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153 + ... + 5655.

It is an arithmetic number, because the mean of its divisors is an integer number (915040).

Almost surely, 2^15980712 is an apocalyptic number.

15980712 is a gapful number since it is divisible by the number (12) 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 15980712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21960960).

15980712 is an abundant number, since it is smaller than the sum of its proper divisors (27941208).

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

15980712 is a wasteful number, since it uses less digits than its factorization.

15980712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5534 (or 5519 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 15980712 is about 3997.5882729466. The cubic root of 15980712 is about 251.8829136088.

The spelling of 15980712 in words is "fifteen million, nine hundred eighty thousand, seven hundred twelve".