12396535 has 4 divisors (see below), whose sum is σ = 14875848. Its totient is φ = 9917224.

The previous prime is 12396533. The next prime is 12396557. The reversal of 12396535 is 53569321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12396535 - 2¹ = 12396533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12396535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12396533) 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 in 3 ways as a sum of consecutive naturals, for example, 1239649 + ... + 1239658.

It is an arithmetic number, because the mean of its divisors is an integer number (3718962).

Almost surely, 2^12396535 is an apocalyptic number.

12396535 is a deficient number, since it is larger than the sum of its proper divisors (2479313).

12396535 is an equidigital number, since it uses as much as digits as its factorization.

12396535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479312.

The product of its digits is 24300, while the sum is 34.

The square root of 12396535 is about 3520.8713410177. The cubic root of 12396535 is about 231.4373441671.

The spelling of 12396535 in words is "twelve million, three hundred ninety-six thousand, five hundred thirty-five".