12520219 has 2 divisors, whose sum is σ = 12520220. Its totient is φ = 12520218.

The previous prime is 12520217. The next prime is 12520237. The reversal of 12520219 is 91202521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12520219 - 2¹ = 12520217 is a prime.

It is a super-2 number, since 2×12520219² = 313511767615922, which contains 22 as substring.

Together with 12520217, 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 12520219.

It is not a weakly prime, because it can be changed into another prime (12520217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260109 + 6260110.

It is an arithmetic number, because the mean of its divisors is an integer number (6260110).

Almost surely, 2^12520219 is an apocalyptic number.

12520219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12520219 is an equidigital number, since it uses as much as digits as its factorization.

12520219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12520219 is about 3538.3921489852. The cubic root of 12520219 is about 232.2045053200.

The spelling of 12520219 in words is "twelve million, five hundred twenty thousand, two hundred nineteen".