12040011 has 6 divisors (see below), whose sum is σ = 17391140. Its totient is φ = 8026668.

The previous prime is 12040001. The next prime is 12040013. The reversal of 12040011 is 11004021.

It is a happy number.

12040011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12040011 - 2⁶ = 12039947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1337779 = 12040011 / (1 + 2 + 0 + 4 + 0 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12039975 and 12040002.

It is not an unprimeable number, because it can be changed into a prime (12040013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 668881 + ... + 668898.

Almost surely, 2^12040011 is an apocalyptic number.

12040011 is a deficient number, since it is larger than the sum of its proper divisors (5351129).

12040011 is a wasteful number, since it uses less digits than its factorization.

12040011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337785 (or 1337782 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 12040011 is about 3469.8718996528. The cubic root of 12040011 is about 229.1970171299.

Adding to 12040011 its reverse (11004021), we get a palindrome (23044032).

The spelling of 12040011 in words is "twelve million, forty thousand, eleven".