13445219 has 2 divisors, whose sum is σ = 13445220. Its totient is φ = 13445218.

The previous prime is 13445207. The next prime is 13445231. The reversal of 13445219 is 91254431.

It is a balanced prime because it is at equal distance from previous prime (13445207) and next prime (13445231).

It is an emirp because it is prime and its reverse (91254431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13445219 - 2⁴ = 13445203 is a prime.

It is a super-2 number, since 2×13445219² = 361547827915922, which contains 22 as substring.

It is a Chen prime.

It is equal to p₈₇₆₃₂₃ and since 13445219 and 876323 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 13445191 and 13445200.

It is not a weakly prime, because it can be changed into another prime (13445239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722609 + 6722610.

It is an arithmetic number, because the mean of its divisors is an integer number (6722610).

Almost surely, 2^13445219 is an apocalyptic number.

13445219 is a deficient number, since it is larger than the sum of its proper divisors (1).

13445219 is an equidigital number, since it uses as much as digits as its factorization.

13445219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 13445219 is about 3666.7722863576. The cubic root of 13445219 is about 237.7876492555.

The spelling of 13445219 in words is "thirteen million, four hundred forty-five thousand, two hundred nineteen".