12490043 has 2 divisors, whose sum is σ = 12490044. Its totient is φ = 12490042.

The previous prime is 12490031. The next prime is 12490057. The reversal of 12490043 is 34009421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12490043 - 2¹² = 12485947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12490243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6245021 + 6245022.

It is an arithmetic number, because the mean of its divisors is an integer number (6245022).

Almost surely, 2^12490043 is an apocalyptic number.

12490043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12490043 is an equidigital number, since it uses as much as digits as its factorization.

12490043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12490043 is about 3534.1254929614. The cubic root of 12490043 is about 232.0178035782.

Adding to 12490043 its reverse (34009421), we get a palindrome (46499464).

The spelling of 12490043 in words is "twelve million, four hundred ninety thousand, forty-three".