11940045 has 16 divisors (see below), whose sum is σ = 20573952. Its totient is φ = 5878080.

The previous prime is 11940041. The next prime is 11940073. The reversal of 11940045 is 54004911.

11940045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11940045 - 2² = 11940041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11939997 and 11940024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11940041) 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, 30421 + ... + 30810.

It is an arithmetic number, because the mean of its divisors is an integer number (1285872).

Almost surely, 2^11940045 is an apocalyptic number.

11940045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11940045 is a deficient number, since it is larger than the sum of its proper divisors (8633907).

11940045 is a wasteful number, since it uses less digits than its factorization.

11940045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61252.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 11940045 is about 3455.4370201177. The cubic root of 11940045 is about 228.5609265078.

Adding to 11940045 its reverse (54004911), we get a palindrome (65944956).

The spelling of 11940045 in words is "eleven million, nine hundred forty thousand, forty-five".