12242481 has 4 divisors (see below), whose sum is σ = 16323312. Its totient is φ = 8161652.

The previous prime is 12242473. The next prime is 12242491. The reversal of 12242481 is 18424221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18424221 = 3 ⋅6141407.

It is a cyclic number.

It is not a de Polignac number, because 12242481 - 2³ = 12242473 is a prime.

It is a super-2 number, since 2×12242481² = 299756682070722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12242491) 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 3 ways as a sum of consecutive naturals, for example, 2040411 + ... + 2040416.

It is an arithmetic number, because the mean of its divisors is an integer number (4080828).

Almost surely, 2^12242481 is an apocalyptic number.

It is an amenable number.

12242481 is a deficient number, since it is larger than the sum of its proper divisors (4080831).

12242481 is an equidigital number, since it uses as much as digits as its factorization.

12242481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080830.

The product of its digits is 1024, while the sum is 24.

The square root of 12242481 is about 3498.9256922661. The cubic root of 12242481 is about 230.4746405002.

The spelling of 12242481 in words is "twelve million, two hundred forty-two thousand, four hundred eighty-one".