12493219 has 2 divisors, whose sum is σ = 12493220. Its totient is φ = 12493218.

The previous prime is 12493207. The next prime is 12493223. The reversal of 12493219 is 91239421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12493219 is a prime.

It is a super-2 number, since 2×12493219² = 312161041963922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12493259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6246609 + 6246610.

It is an arithmetic number, because the mean of its divisors is an integer number (6246610).

Almost surely, 2^12493219 is an apocalyptic number.

12493219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12493219 is an equidigital number, since it uses as much as digits as its factorization.

12493219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 12493219 is about 3534.5747976242. The cubic root of 12493219 is about 232.0374679379.

The spelling of 12493219 in words is "twelve million, four hundred ninety-three thousand, two hundred nineteen".