12001745 has 32 divisors (see below), whose sum is σ = 18206208. Its totient is φ = 7400448.

The previous prime is 12001733. The next prime is 12001753. The reversal of 12001745 is 54710021.

12001745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12001745 - 2¹² = 11997649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13247 + ... + 14123.

It is an arithmetic number, because the mean of its divisors is an integer number (568944).

Almost surely, 2^12001745 is an apocalyptic number.

It is an amenable number.

12001745 is a deficient number, since it is larger than the sum of its proper divisors (6204463).

12001745 is a wasteful number, since it uses less digits than its factorization.

12001745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12001745 is about 3464.3534750369. The cubic root of 12001745 is about 228.9539453414.

Adding to 12001745 its reverse (54710021), we get a palindrome (66711766).

The spelling of 12001745 in words is "twelve million, one thousand, seven hundred forty-five".