12190943 has 4 divisors (see below), whose sum is σ = 12721008. Its totient is φ = 11660880.

The previous prime is 12190931. The next prime is 12190949. The reversal of 12190943 is 34909121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12190943 - 2¹⁴ = 12174559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12190949) 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 in 3 ways as a sum of consecutive naturals, for example, 264998 + ... + 265043.

It is an arithmetic number, because the mean of its divisors is an integer number (3180252).

Almost surely, 2^12190943 is an apocalyptic number.

12190943 is a deficient number, since it is larger than the sum of its proper divisors (530065).

12190943 is an equidigital number, since it uses as much as digits as its factorization.

12190943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530064.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 12190943 is about 3491.5530928227. The cubic root of 12190943 is about 230.1507707097.

The spelling of 12190943 in words is "twelve million, one hundred ninety thousand, nine hundred forty-three".