13828211 has 2 divisors, whose sum is σ = 13828212. Its totient is φ = 13828210.

The previous prime is 13828207. The next prime is 13828247. The reversal of 13828211 is 11282831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13828211 - 2² = 13828207 is a prime.

It is not a weakly prime, because it can be changed into another prime (13828261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6914105 + 6914106.

It is an arithmetic number, because the mean of its divisors is an integer number (6914106).

Almost surely, 2^13828211 is an apocalyptic number.

13828211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13828211 is an equidigital number, since it uses as much as digits as its factorization.

13828211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 26.

The square root of 13828211 is about 3718.6302585764. The cubic root of 13828211 is about 240.0243667390.

The spelling of 13828211 in words is "thirteen million, eight hundred twenty-eight thousand, two hundred eleven".