12040413 has 32 divisors (see below), whose sum is σ = 20459520. Its totient is φ = 6116160.

The previous prime is 12040373. The next prime is 12040417. The reversal of 12040413 is 31404021.

12040413 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 12040413 - 2⁶ = 12040349 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12040392 and 12040401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10303 + ... + 11411.

It is an arithmetic number, because the mean of its divisors is an integer number (639360).

Almost surely, 2^12040413 is an apocalyptic number.

It is an amenable number.

12040413 is a deficient number, since it is larger than the sum of its proper divisors (8419107).

12040413 is a wasteful number, since it uses less digits than its factorization.

12040413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12040413 is about 3469.9298263798. The cubic root of 12040413 is about 229.1995679630.

Adding to 12040413 its reverse (31404021), we get a palindrome (43444434).

The spelling of 12040413 in words is "twelve million, forty thousand, four hundred thirteen".