12144783 has 16 divisors (see below), whose sum is σ = 19595520. Its totient is φ = 6531456.

The previous prime is 12144767. The next prime is 12144787. The reversal of 12144783 is 38744121.

12144783 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12144783 - 2⁴ = 12144767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12144783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16653 + ... + 17366.

It is an arithmetic number, because the mean of its divisors is an integer number (1224720).

Almost surely, 2^12144783 is an apocalyptic number.

12144783 is a deficient number, since it is larger than the sum of its proper divisors (7450737).

12144783 is a wasteful number, since it uses less digits than its factorization.

12144783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34046.

The product of its digits is 5376, while the sum is 30.

The square root of 12144783 is about 3484.9365847889. The cubic root of 12144783 is about 229.8599210049.

The spelling of 12144783 in words is "twelve million, one hundred forty-four thousand, seven hundred eighty-three".