13872113 has 2 divisors, whose sum is σ = 13872114. Its totient is φ = 13872112.

The previous prime is 13872107. The next prime is 13872137. The reversal of 13872113 is 31127831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13667809 + 204304 = 3697^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 13872113 - 2⁸ = 13871857 is a prime.

It is not a weakly prime, because it can be changed into another prime (13872613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6936056 + 6936057.

It is an arithmetic number, because the mean of its divisors is an integer number (6936057).

Almost surely, 2^13872113 is an apocalyptic number.

It is an amenable number.

13872113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13872113 is an equidigital number, since it uses as much as digits as its factorization.

13872113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 13872113 is about 3724.5285607711. The cubic root of 13872113 is about 240.2781093185.

Adding to 13872113 its reverse (31127831), we get a palindrome (44999944).

The spelling of 13872113 in words is "thirteen million, eight hundred seventy-two thousand, one hundred thirteen".