13278355 has 16 divisors (see below), whose sum is σ = 16446240. Its totient is φ = 10286848.

The previous prime is 13278347. The next prime is 13278361. The reversal of 13278355 is 55387231.

13278355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13278355 - 2³ = 13278347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13278355.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23304 + ... + 23866.

It is an arithmetic number, because the mean of its divisors is an integer number (1027890).

Almost surely, 2^13278355 is an apocalyptic number.

13278355 is a deficient number, since it is larger than the sum of its proper divisors (3167885).

13278355 is an equidigital number, since it uses as much as digits as its factorization.

13278355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710.

The product of its digits is 25200, while the sum is 34.

The square root of 13278355 is about 3643.9477219082. The cubic root of 13278355 is about 236.7998511972.

It can be divided in two parts, 132 and 78355, that added together give a palindrome (78487).

The spelling of 13278355 in words is "thirteen million, two hundred seventy-eight thousand, three hundred fifty-five".