15996472 has 8 divisors (see below), whose sum is σ = 29993400. Its totient is φ = 7998232.

The previous prime is 15996467. The next prime is 15996503. The reversal of 15996472 is 27469951.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 999772 + ... + 999787.

It is an arithmetic number, because the mean of its divisors is an integer number (3749175).

Almost surely, 2^15996472 is an apocalyptic number.

It is an amenable number.

15996472 is a deficient number, since it is larger than the sum of its proper divisors (13996928).

15996472 is a wasteful number, since it uses less digits than its factorization.

15996472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999565 (or 1999561 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 15996472 is about 3999.5589756872. The cubic root of 15996472 is about 251.9656877781.

The spelling of 15996472 in words is "fifteen million, nine hundred ninety-six thousand, four hundred seventy-two".