13278353 has 4 divisors (see below), whose sum is σ = 14485488. Its totient is φ = 12071220.

The previous prime is 13278347. The next prime is 13278361. The reversal of 13278353 is 35387231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35387231 = 11 ⋅3217021.

It is a cyclic number.

It is not a de Polignac number, because 13278353 - 2⁶ = 13278289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13298353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603551 + ... + 603572.

It is an arithmetic number, because the mean of its divisors is an integer number (3621372).

Almost surely, 2^13278353 is an apocalyptic number.

It is an amenable number.

13278353 is a deficient number, since it is larger than the sum of its proper divisors (1207135).

13278353 is a wasteful number, since it uses less digits than its factorization.

13278353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207134.

The product of its digits is 15120, while the sum is 32.

The square root of 13278353 is about 3643.9474474805. The cubic root of 13278353 is about 236.7998393082.

It can be divided in two parts, 13278 and 353, that added together give a palindrome (13631).

The spelling of 13278353 in words is "thirteen million, two hundred seventy-eight thousand, three hundred fifty-three".