13225819 has 2 divisors, whose sum is σ = 13225820. Its totient is φ = 13225818.

The previous prime is 13225787. The next prime is 13225831. The reversal of 13225819 is 91852231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13225819 - 2⁵ = 13225787 is a prime.

It is a super-2 number, since 2×13225819² = 349844576441522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13226819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6612909 + 6612910.

It is an arithmetic number, because the mean of its divisors is an integer number (6612910).

Almost surely, 2^13225819 is an apocalyptic number.

13225819 is a deficient number, since it is larger than the sum of its proper divisors (1).

13225819 is an equidigital number, since it uses as much as digits as its factorization.

13225819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 13225819 is about 3636.7319120331. The cubic root of 13225819 is about 236.4871377582.

The spelling of 13225819 in words is "thirteen million, two hundred twenty-five thousand, eight hundred nineteen".