12240943 has 8 divisors (see below), whose sum is σ = 14381136. Its totient is φ = 10272000.

The previous prime is 12240937. The next prime is 12240947. The reversal of 12240943 is 34904221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12240943 - 2⁵ = 12240911 is a prime.

It is a super-3 number, since 3×12240943³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42658 + ... + 42943.

It is an arithmetic number, because the mean of its divisors is an integer number (1797642).

Almost surely, 2^12240943 is an apocalyptic number.

12240943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12240943 is a deficient number, since it is larger than the sum of its proper divisors (2140193).

12240943 is a wasteful number, since it uses less digits than its factorization.

12240943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85625.

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

The square root of 12240943 is about 3498.7059036164. The cubic root of 12240943 is about 230.4649887300.

Subtracting 12240943 from its reverse (34904221), we obtain a triangular number (22663278 = T₆₇₃₂).

The spelling of 12240943 in words is "twelve million, two hundred forty thousand, nine hundred forty-three".