12197559 has 16 divisors (see below), whose sum is σ = 17904384. Its totient is φ = 7324800.

The previous prime is 12197557. The next prime is 12197593. The reversal of 12197559 is 95579121.

It is not a de Polignac number, because 12197559 - 2¹ = 12197557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12197557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094 + ... + 5364.

It is an arithmetic number, because the mean of its divisors is an integer number (1119024).

Almost surely, 2^12197559 is an apocalyptic number.

12197559 is a deficient number, since it is larger than the sum of its proper divisors (5706825).

12197559 is a wasteful number, since it uses less digits than its factorization.

12197559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398.

The product of its digits is 28350, while the sum is 39.

The square root of 12197559 is about 3492.5003937008. The cubic root of 12197559 is about 230.1923972989.

It can be divided in two parts, 1219 and 7559, that added together give a palindrome (8778).

The spelling of 12197559 in words is "twelve million, one hundred ninety-seven thousand, five hundred fifty-nine".