12455159 has 4 divisors (see below), whose sum is σ = 12690216. Its totient is φ = 12220104.

The previous prime is 12455129. The next prime is 12455161. The reversal of 12455159 is 95155421.

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

It is a de Polignac number, because none of the positive numbers 2^k-12455159 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 (12455129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117449 + ... + 117554.

It is an arithmetic number, because the mean of its divisors is an integer number (3172554).

Almost surely, 2^12455159 is an apocalyptic number.

12455159 is a deficient number, since it is larger than the sum of its proper divisors (235057).

12455159 is an equidigital number, since it uses as much as digits as its factorization.

12455159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235056.

The product of its digits is 9000, while the sum is 32.

The square root of 12455159 is about 3529.1867335124. The cubic root of 12455159 is about 231.8015978676.

The spelling of 12455159 in words is "twelve million, four hundred fifty-five thousand, one hundred fifty-nine".