12240463 has 4 divisors (see below), whose sum is σ = 12252088. Its totient is φ = 12228840.

The previous prime is 12240457. The next prime is 12240467. The reversal of 12240463 is 36404221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12240463 - 2⁹ = 12239951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4056 + ... + 6397.

It is an arithmetic number, because the mean of its divisors is an integer number (3063022).

Almost surely, 2^12240463 is an apocalyptic number.

12240463 is a deficient number, since it is larger than the sum of its proper divisors (11625).

12240463 is a wasteful number, since it uses less digits than its factorization.

12240463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11624.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 12240463 is about 3498.6373061522. The cubic root of 12240463 is about 230.4619763084.

Adding to 12240463 its reverse (36404221), we get a palindrome (48644684).

The spelling of 12240463 in words is "twelve million, two hundred forty thousand, four hundred sixty-three".