13982823 has 24 divisors (see below), whose sum is σ = 21762000. Its totient is φ = 8619264.

The previous prime is 13982819. The next prime is 13982849. The reversal of 13982823 is 32828931.

It is a happy number.

It is not a de Polignac number, because 13982823 - 2² = 13982819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13982893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8253 + ... + 9801.

It is an arithmetic number, because the mean of its divisors is an integer number (906750).

Almost surely, 2^13982823 is an apocalyptic number.

13982823 is a deficient number, since it is larger than the sum of its proper divisors (7779177).

13982823 is a wasteful number, since it uses less digits than its factorization.

13982823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631 (or 1628 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 13982823 is about 3739.3613091008. The cubic root of 13982823 is about 240.9156169974.

The spelling of 13982823 in words is "thirteen million, nine hundred eighty-two thousand, eight hundred twenty-three".