12190613 has 2 divisors, whose sum is σ = 12190614. Its totient is φ = 12190612.

The previous prime is 12190601. The next prime is 12190627. The reversal of 12190613 is 31609121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10608049 + 1582564 = 3257^2 + 1258^2 .

It is a cyclic number.

It is not a de Polignac number, because 12190613 - 2²² = 7996309 is a prime.

It is a super-2 number, since 2×12190613² = 297222090631538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12190693) 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, 6095306 + 6095307.

It is an arithmetic number, because the mean of its divisors is an integer number (6095307).

Almost surely, 2^12190613 is an apocalyptic number.

It is an amenable number.

12190613 is a deficient number, since it is larger than the sum of its proper divisors (1).

12190613 is an equidigital number, since it uses as much as digits as its factorization.

12190613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 12190613 is about 3491.5058355959. The cubic root of 12190613 is about 230.1486940194.

Adding to 12190613 its reverse (31609121), we get a palindrome (43799734).

The spelling of 12190613 in words is "twelve million, one hundred ninety thousand, six hundred thirteen".