12250043 has 4 divisors (see below), whose sum is σ = 13192368. Its totient is φ = 11307720.

The previous prime is 12250019. The next prime is 12250061. The reversal of 12250043 is 34005221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34005221 = 631 ⋅53891.

It is a cyclic number.

It is not a de Polignac number, because 12250043 - 2¹⁰ = 12249019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12250543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471143 + ... + 471168.

It is an arithmetic number, because the mean of its divisors is an integer number (3298092).

Almost surely, 2^12250043 is an apocalyptic number.

12250043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12250043 is a deficient number, since it is larger than the sum of its proper divisors (942325).

12250043 is an equidigital number, since it uses as much as digits as its factorization.

12250043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942324.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 12250043 is about 3500.0061428518. The cubic root of 12250043 is about 230.5220843288.

Adding to 12250043 its reverse (34005221), we get a palindrome (46255264).

The spelling of 12250043 in words is "twelve million, two hundred fifty thousand, forty-three".