12190481 has 2 divisors, whose sum is σ = 12190482. Its totient is φ = 12190480.

The previous prime is 12190463. The next prime is 12190511. The reversal of 12190481 is 18409121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9579025 + 2611456 = 3095^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 12190481 - 2⁶ = 12190417 is a prime.

It is a super-2 number, since 2×12190481² = 297215654022722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12190481.

It is not a weakly prime, because it can be changed into another prime (12190421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6095240 + 6095241.

It is an arithmetic number, because the mean of its divisors is an integer number (6095241).

Almost surely, 2^12190481 is an apocalyptic number.

It is an amenable number.

12190481 is a deficient number, since it is larger than the sum of its proper divisors (1).

12190481 is an equidigital number, since it uses as much as digits as its factorization.

12190481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 12190481 is about 3491.4869325260. The cubic root of 12190481 is about 230.1478633327.

The spelling of 12190481 in words is "twelve million, one hundred ninety thousand, four hundred eighty-one".