12043745 has 16 divisors (see below), whose sum is σ = 16685568. Its totient is φ = 8174400.

The previous prime is 12043727. The next prime is 12043751. The reversal of 12043745 is 54734021.

It is not a de Polignac number, because 12043745 - 2¹⁰ = 12042721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1832 + ... + 5238.

It is an arithmetic number, because the mean of its divisors is an integer number (1042848).

Almost surely, 2^12043745 is an apocalyptic number.

It is an amenable number.

12043745 is a deficient number, since it is larger than the sum of its proper divisors (4641823).

12043745 is a wasteful number, since it uses less digits than its factorization.

12043745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 12043745 is about 3470.4099181509. The cubic root of 12043745 is about 229.2207085038.

Adding to 12043745 its reverse (54734021), we get a palindrome (66777766).

The spelling of 12043745 in words is "twelve million, forty-three thousand, seven hundred forty-five".