15796197 has 6 divisors (see below), whose sum is σ = 22816742. Its totient is φ = 10530792.

The previous prime is 15796189. The next prime is 15796217. The reversal of 15796197 is 79169751.

It can be written as a sum of positive squares in only one way, i.e., 9400356 + 6395841 = 3066^2 + 2529^2 .

It is not a de Polignac number, because 15796197 - 2³ = 15796189 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 (15796117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 877558 + ... + 877575.

Almost surely, 2^15796197 is an apocalyptic number.

It is an amenable number.

15796197 is a deficient number, since it is larger than the sum of its proper divisors (7020545).

15796197 is a wasteful number, since it uses less digits than its factorization.

15796197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755139 (or 1755136 counting only the distinct ones).

The product of its digits is 119070, while the sum is 45.

The square root of 15796197 is about 3974.4429798401. The cubic root of 15796197 is about 250.9097361715.

It can be divided in two parts, 1579 and 6197, that added together give a 5-th power (7776 = 6⁵).

The spelling of 15796197 in words is "fifteen million, seven hundred ninety-six thousand, one hundred ninety-seven".