12162559 has 2 divisors, whose sum is σ = 12162560. Its totient is φ = 12162558.

The previous prime is 12162541. The next prime is 12162587. The reversal of 12162559 is 95526121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12162559 - 2⁹ = 12162047 is a prime.

It is a super-3 number, since 3×12162559³ (a number of 22 digits) contains 333 as substring.

It is equal to p₇₉₈₀₁₆ and since 12162559 and 798016 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12162559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12162589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081279 + 6081280.

It is an arithmetic number, because the mean of its divisors is an integer number (6081280).

Almost surely, 2^12162559 is an apocalyptic number.

12162559 is a deficient number, since it is larger than the sum of its proper divisors (1).

12162559 is an equidigital number, since it uses as much as digits as its factorization.

12162559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 31.

The square root of 12162559 is about 3487.4860573198. The cubic root of 12162559 is about 229.9720129777.

It can be divided in two parts, 12162 and 559, that added together give a palindrome (12721).

The spelling of 12162559 in words is "twelve million, one hundred sixty-two thousand, five hundred fifty-nine".