13123219 has 2 divisors, whose sum is σ = 13123220. Its totient is φ = 13123218.

The previous prime is 13123217. The next prime is 13123237. The reversal of 13123219 is 91232131.

13123219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13123219 - 2¹ = 13123217 is a prime.

It is a super-2 number, since 2×13123219² = 344437753843922, which contains 22 as substring.

Together with 13123217, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13123219.

It is not a weakly prime, because it can be changed into another prime (13123211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561609 + 6561610.

It is an arithmetic number, because the mean of its divisors is an integer number (6561610).

Almost surely, 2^13123219 is an apocalyptic number.

13123219 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123219 is an equidigital number, since it uses as much as digits as its factorization.

13123219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 22.

The square root of 13123219 is about 3622.5983768560. The cubic root of 13123219 is about 235.8740290564.

The spelling of 13123219 in words is "thirteen million, one hundred twenty-three thousand, two hundred nineteen".