13882013 has 4 divisors (see below), whose sum is σ = 14698620. Its totient is φ = 13065408.

The previous prime is 13882009. The next prime is 13882019. The reversal of 13882013 is 31028831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31028831 = 139 ⋅223229.

It can be written as a sum of positive squares in 2 ways, for example, as 5373124 + 8508889 = 2318^2 + 2917^2 .

It is a cyclic number.

It is not a de Polignac number, because 13882013 - 2² = 13882009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13882019) 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, 408278 + ... + 408311.

It is an arithmetic number, because the mean of its divisors is an integer number (3674655).

Almost surely, 2^13882013 is an apocalyptic number.

It is an amenable number.

13882013 is a deficient number, since it is larger than the sum of its proper divisors (816607).

13882013 is an equidigital number, since it uses as much as digits as its factorization.

13882013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816606.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 13882013 is about 3725.8573509999. The cubic root of 13882013 is about 240.3352548457.

The spelling of 13882013 in words is "thirteen million, eight hundred eighty-two thousand, thirteen".