13012255 has 4 divisors (see below), whose sum is σ = 15614712. Its totient is φ = 10409800.

The previous prime is 13012247. The next prime is 13012261. The reversal of 13012255 is 55221031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55221031 = 71 ⋅777761.

It is not a de Polignac number, because 13012255 - 2³ = 13012247 is a prime.

It is a Duffinian number.

It is a congruent 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, 1301221 + ... + 1301230.

It is an arithmetic number, because the mean of its divisors is an integer number (3903678).

Almost surely, 2^13012255 is an apocalyptic number.

13012255 is a deficient number, since it is larger than the sum of its proper divisors (2602457).

13012255 is an equidigital number, since it uses as much as digits as its factorization.

13012255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602456.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 13012255 is about 3607.2503378612. The cubic root of 13012255 is about 235.2073317377.

Adding to 13012255 its reverse (55221031), we get a palindrome (68233286).

The spelling of 13012255 in words is "thirteen million, twelve thousand, two hundred fifty-five".