15970 has 8 divisors (see below), whose sum is σ = 28764. Its totient is φ = 6384.

The previous prime is 15959. The next prime is 15971. The reversal of 15970 is 7951.

15970 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15129 + 841 = 123^2 + 29^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

15970 is strictly pandigital in base 6.

It is not an unprimeable number, because it can be changed into a prime (15971) by changing a digit.

15970 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789 + ... + 808.

2¹⁵⁹⁷⁰ is an apocalyptic number.

15970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15970 is a deficient number, since it is larger than the sum of its proper divisors (12794).

15970 is a wasteful number, since it uses less digits than its factorization.

15970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 15970 is about 126.3724653554. The cubic root of 15970 is about 25.1826621314.

The spelling of 15970 in words is "fifteen thousand, nine hundred seventy".