12190747 has 2 divisors, whose sum is σ = 12190748. Its totient is φ = 12190746.

The previous prime is 12190709. The next prime is 12190753. The reversal of 12190747 is 74709121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12190747 - 2¹¹ = 12188699 is a prime.

It is a super-2 number, since 2×12190747² = 297228624836018, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12190777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6095373 + 6095374.

It is an arithmetic number, because the mean of its divisors is an integer number (6095374).

Almost surely, 2^12190747 is an apocalyptic number.

12190747 is a deficient number, since it is larger than the sum of its proper divisors (1).

12190747 is an equidigital number, since it uses as much as digits as its factorization.

12190747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 12190747 is about 3491.5250249712. The cubic root of 12190747 is about 230.1495372860.

Adding to 12190747 its reverse (74709121), we get a palindrome (86899868).

The spelling of 12190747 in words is "twelve million, one hundred ninety thousand, seven hundred forty-seven".