12144754 has 4 divisors (see below), whose sum is σ = 18217134. Its totient is φ = 6072376.

The previous prime is 12144751. The next prime is 12144761. The reversal of 12144754 is 45744121.

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

It can be written as a sum of positive squares in only one way, i.e., 12089529 + 55225 = 3477^2 + 235^2 .

It is not an unprimeable number, because it can be changed into a prime (12144751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3036187 + ... + 3036190.

Almost surely, 2^12144754 is an apocalyptic number.

12144754 is a deficient number, since it is larger than the sum of its proper divisors (6072380).

12144754 is an equidigital number, since it uses as much as digits as its factorization.

12144754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072379.

The product of its digits is 4480, while the sum is 28.

The square root of 12144754 is about 3484.9324240220. The cubic root of 12144754 is about 229.8597380473.

Adding to 12144754 its reverse (45744121), we get a palindrome (57888875).

The spelling of 12144754 in words is "twelve million, one hundred forty-four thousand, seven hundred fifty-four".