15728967 has 12 divisors (see below), whose sum is σ = 22764664. Its totient is φ = 10465200.

The previous prime is 15728939. The next prime is 15729001. The reversal of 15728967 is 76982751.

It is not a de Polignac number, because 15728967 - 2¹⁴ = 15712583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15728917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4092 + ... + 6942.

Almost surely, 2^15728967 is an apocalyptic number.

15728967 is a deficient number, since it is larger than the sum of its proper divisors (7035697).

15728967 is a wasteful number, since it uses less digits than its factorization.

15728967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470 (or 3467 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 15728967 is about 3965.9761723944. The cubic root of 15728967 is about 250.5532653532.

The spelling of 15728967 in words is "fifteen million, seven hundred twenty-eight thousand, nine hundred sixty-seven".