15797697 has 8 divisors (see below), whose sum is σ = 21257280. Its totient is φ = 10434960.

The previous prime is 15797671. The next prime is 15797701. The reversal of 15797697 is 79679751.

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

It is not a de Polignac number, because 15797697 - 2¹¹ = 15795649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15797647) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 23829 + ... + 24482.

It is an arithmetic number, because the mean of its divisors is an integer number (2657160).

Almost surely, 2^15797697 is an apocalyptic number.

It is an amenable number.

15797697 is a deficient number, since it is larger than the sum of its proper divisors (5459583).

15797697 is a wasteful number, since it uses less digits than its factorization.

15797697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48423.

The product of its digits is 833490, while the sum is 51.

The square root of 15797697 is about 3974.6316810492. The cubic root of 15797697 is about 250.9176780133.

The spelling of 15797697 in words is "fifteen million, seven hundred ninety-seven thousand, six hundred ninety-seven".