13982311 has 4 divisors (see below), whose sum is σ = 15979792. Its totient is φ = 11984832.

The previous prime is 13982231. The next prime is 13982327. The reversal of 13982311 is 11328931.

13982311 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13982311 - 2¹⁵ = 13949543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13982311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13982711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998730 + ... + 998743.

It is an arithmetic number, because the mean of its divisors is an integer number (3994948).

Almost surely, 2^13982311 is an apocalyptic number.

13982311 is a deficient number, since it is larger than the sum of its proper divisors (1997481).

13982311 is an equidigital number, since it uses as much as digits as its factorization.

13982311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997480.

The product of its digits is 1296, while the sum is 28.

The square root of 13982311 is about 3739.2928475850. The cubic root of 13982311 is about 240.9126764777.

The spelling of 13982311 in words is "thirteen million, nine hundred eighty-two thousand, three hundred eleven".