13278383 has 8 divisors (see below), whose sum is σ = 14194656. Its totient is φ = 12390400.

The previous prime is 13278371. The next prime is 13278389. The reversal of 13278383 is 38387231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13278383 - 2⁴ = 13278367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13278389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6098 + ... + 7983.

It is an arithmetic number, because the mean of its divisors is an integer number (1774332).

Almost surely, 2^13278383 is an apocalyptic number.

13278383 is a deficient number, since it is larger than the sum of its proper divisors (916273).

13278383 is a wasteful number, since it uses less digits than its factorization.

13278383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14145.

The product of its digits is 24192, while the sum is 35.

The square root of 13278383 is about 3643.9515638932. The cubic root of 13278383 is about 236.8000176433.

The spelling of 13278383 in words is "thirteen million, two hundred seventy-eight thousand, three hundred eighty-three".