12243641 has 8 divisors (see below), whose sum is σ = 12648960. Its totient is φ = 11844448.

The previous prime is 12243611. The next prime is 12243661. The reversal of 12243641 is 14634221.

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 12243641 - 2⁶ = 12243577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12243601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2720 + ... + 5646.

It is an arithmetic number, because the mean of its divisors is an integer number (1581120).

Almost surely, 2^12243641 is an apocalyptic number.

It is an amenable number.

12243641 is a deficient number, since it is larger than the sum of its proper divisors (405319).

12243641 is an equidigital number, since it uses as much as digits as its factorization.

12243641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063.

The product of its digits is 1152, while the sum is 23.

The square root of 12243641 is about 3499.0914535062. The cubic root of 12243641 is about 230.4819195841.

Adding to 12243641 its reverse (14634221), we get a palindrome (26877862).

The spelling of 12243641 in words is "twelve million, two hundred forty-three thousand, six hundred forty-one".