11820413 has 16 divisors (see below), whose sum is σ = 14169600. Its totient is φ = 9733680.

The previous prime is 11820407. The next prime is 11820433. The reversal of 11820413 is 31402811.

11820413 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 11820413 - 2⁶ = 11820349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11820433) 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, 3578 + ... + 6036.

It is an arithmetic number, because the mean of its divisors is an integer number (885600).

Almost surely, 2^11820413 is an apocalyptic number.

It is an amenable number.

11820413 is a deficient number, since it is larger than the sum of its proper divisors (2349187).

11820413 is a wasteful number, since it uses less digits than its factorization.

11820413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 11820413 is about 3438.0827506039. The cubic root of 11820413 is about 227.7950155681.

The spelling of 11820413 in words is "eleven million, eight hundred twenty thousand, four hundred thirteen".