12240454 has 4 divisors (see below), whose sum is σ = 18360684. Its totient is φ = 6120226.

The previous prime is 12240433. The next prime is 12240457. The reversal of 12240454 is 45404221.

It is a happy number.

12240454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12240454² = 299657428252232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060112 + ... + 3060115.

It is an arithmetic number, because the mean of its divisors is an integer number (4590171).

Almost surely, 2^12240454 is an apocalyptic number.

12240454 is a deficient number, since it is larger than the sum of its proper divisors (6120230).

12240454 is an equidigital number, since it uses as much as digits as its factorization.

12240454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6120229.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 12240454 is about 3498.6360199369. The cubic root of 12240454 is about 230.4619198248.

Adding to 12240454 its reverse (45404221), we get a palindrome (57644675).

The spelling of 12240454 in words is "twelve million, two hundred forty thousand, four hundred fifty-four".