12455315 has 4 divisors (see below), whose sum is σ = 14946384. Its totient is φ = 9964248.

The previous prime is 12455299. The next prime is 12455323. The reversal of 12455315 is 51355421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51355421 = 13 ⋅3950417.

It is a cyclic number.

It is not a de Polignac number, because 12455315 - 2⁴ = 12455299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1245527 + ... + 1245536.

It is an arithmetic number, because the mean of its divisors is an integer number (3736596).

Almost surely, 2^12455315 is an apocalyptic number.

12455315 is a deficient number, since it is larger than the sum of its proper divisors (2491069).

12455315 is an equidigital number, since it uses as much as digits as its factorization.

12455315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491068.

The product of its digits is 3000, while the sum is 26.

The square root of 12455315 is about 3529.2088348524. The cubic root of 12455315 is about 231.8025656299.

The spelling of 12455315 in words is "twelve million, four hundred fifty-five thousand, three hundred fifteen".