13442255 has 4 divisors (see below), whose sum is σ = 16130712. Its totient is φ = 10753800.

The previous prime is 13442249. The next prime is 13442263. The reversal of 13442255 is 55224431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55224431 = 19 ⋅2906549.

It is not a de Polignac number, because 13442255 - 2⁴ = 13442239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344221 + ... + 1344230.

It is an arithmetic number, because the mean of its divisors is an integer number (4032678).

Almost surely, 2^13442255 is an apocalyptic number.

13442255 is a deficient number, since it is larger than the sum of its proper divisors (2688457).

13442255 is an equidigital number, since it uses as much as digits as its factorization.

13442255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688456.

The product of its digits is 4800, while the sum is 26.

The square root of 13442255 is about 3666.3680939044. The cubic root of 13442255 is about 237.7701745336.

Adding to 13442255 its reverse (55224431), we get a palindrome (68666686).

The spelling of 13442255 in words is "thirteen million, four hundred forty-two thousand, two hundred fifty-five".