12042493 has 4 divisors (see below), whose sum is σ = 12093120. Its totient is φ = 11991868.

The previous prime is 12042491. The next prime is 12042517. The reversal of 12042493 is 39424021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12042493 - 2¹ = 12042491 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 (12042491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24955 + ... + 25432.

It is an arithmetic number, because the mean of its divisors is an integer number (3023280).

Almost surely, 2^12042493 is an apocalyptic number.

It is an amenable number.

12042493 is a deficient number, since it is larger than the sum of its proper divisors (50627).

12042493 is an equidigital number, since it uses as much as digits as its factorization.

12042493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50626.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 12042493 is about 3470.2295313135. The cubic root of 12042493 is about 229.2127653966.

The spelling of 12042493 in words is "twelve million, forty-two thousand, four hundred ninety-three".