13312455 has 32 divisors (see below), whose sum is σ = 23115456. Its totient is φ = 6503424.

The previous prime is 13312451. The next prime is 13312463. The reversal of 13312455 is 55421331.

13312455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13312455 - 2² = 13312451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45289 + ... + 45581.

It is an arithmetic number, because the mean of its divisors is an integer number (722358).

Almost surely, 2^13312455 is an apocalyptic number.

13312455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13312455 is a deficient number, since it is larger than the sum of its proper divisors (9803001).

13312455 is a wasteful number, since it uses less digits than its factorization.

13312455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

The product of its digits is 1800, while the sum is 24.

The square root of 13312455 is about 3648.6237131280. The cubic root of 13312455 is about 237.0023856336.

Adding to 13312455 its reverse (55421331), we get a palindrome (68733786).

The spelling of 13312455 in words is "thirteen million, three hundred twelve thousand, four hundred fifty-five".