13882813 has 8 divisors (see below), whose sum is σ = 16204032. Its totient is φ = 11646096.

The previous prime is 13882811. The next prime is 13882819. The reversal of 13882813 is 31828831.

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

It is not a de Polignac number, because 13882813 - 2¹ = 13882811 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 (13882811) 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, 20770 + ... + 21427.

It is an arithmetic number, because the mean of its divisors is an integer number (2025504).

Almost surely, 2^13882813 is an apocalyptic number.

It is an amenable number.

13882813 is a deficient number, since it is larger than the sum of its proper divisors (2321219).

13882813 is an equidigital number, since it uses as much as digits as its factorization.

13882813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42251.

The product of its digits is 9216, while the sum is 34.

The square root of 13882813 is about 3725.9647072939. The cubic root of 13882813 is about 240.3398714795.

The spelling of 13882813 in words is "thirteen million, eight hundred eighty-two thousand, eight hundred thirteen".