12012493 has 2 divisors, whose sum is σ = 12012494. Its totient is φ = 12012492.

The previous prime is 12012491. The next prime is 12012521. The reversal of 12012493 is 39421021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11269449 + 743044 = 3357^2 + 862^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012493 - 2¹ = 12012491 is a prime.

Together with 12012491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006246 + 6006247.

It is an arithmetic number, because the mean of its divisors is an integer number (6006247).

Almost surely, 2^12012493 is an apocalyptic number.

It is an amenable number.

12012493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012493 is an equidigital number, since it uses as much as digits as its factorization.

12012493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12012493 is about 3465.9043552874. The cubic root of 12012493 is about 229.0222704834.

The spelling of 12012493 in words is "twelve million, twelve thousand, four hundred ninety-three".