13378263 has 12 divisors (see below), whose sum is σ = 18061800. Its totient is φ = 8807776.

The previous prime is 13378247. The next prime is 13378271. The reversal of 13378263 is 36287331.

13378263 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13378263 - 2⁴ = 13378247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13378243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77245 + ... + 77417.

It is an arithmetic number, because the mean of its divisors is an integer number (1505150).

Almost surely, 2^13378263 is an apocalyptic number.

13378263 is a deficient number, since it is larger than the sum of its proper divisors (4683537).

13378263 is an equidigital number, since it uses as much as digits as its factorization.

13378263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 325 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 13378263 is about 3657.6307905528. The cubic root of 13378263 is about 237.3922717336.

The spelling of 13378263 in words is "thirteen million, three hundred seventy-eight thousand, two hundred sixty-three".