15711996 has 12 divisors (see below), whose sum is σ = 36661352. Its totient is φ = 5237328.

The previous prime is 15711991. The next prime is 15712001. The reversal of 15711996 is 69911751.

It is an interprime number because it is at equal distance from previous prime (15711991) and next prime (15712001).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15711991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654655 + ... + 654678.

Almost surely, 2^15711996 is an apocalyptic number.

It is an amenable number.

15711996 is an abundant number, since it is smaller than the sum of its proper divisors (20949356).

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

15711996 is a wasteful number, since it uses less digits than its factorization.

15711996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309340 (or 1309338 counting only the distinct ones).

The product of its digits is 17010, while the sum is 39.

The square root of 15711996 is about 3963.8360208263. The cubic root of 15711996 is about 250.4631202156.

The spelling of 15711996 in words is "fifteen million, seven hundred eleven thousand, nine hundred ninety-six".