12455513 has 8 divisors (see below), whose sum is σ = 14582400. Its totient is φ = 10415520.

The previous prime is 12455503. The next prime is 12455533. The reversal of 12455513 is 31555421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12455513 - 2⁴ = 12455497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12455503) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21413 + ... + 21986.

It is an arithmetic number, because the mean of its divisors is an integer number (1822800).

Almost surely, 2^12455513 is an apocalyptic number.

It is an amenable number.

12455513 is a deficient number, since it is larger than the sum of its proper divisors (2126887).

12455513 is an equidigital number, since it uses as much as digits as its factorization.

12455513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43447.

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

The square root of 12455513 is about 3529.2368863538. The cubic root of 12455513 is about 231.8037939319.

The spelling of 12455513 in words is "twelve million, four hundred fifty-five thousand, five hundred thirteen".