11820481 has 2 divisors, whose sum is σ = 11820482. Its totient is φ = 11820480.

The previous prime is 11820469. The next prime is 11820493. The reversal of 11820481 is 18402811.

11820481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11820469) and next prime (11820493).

It can be written as a sum of positive squares in only one way, i.e., 7756225 + 4064256 = 2785^2 + 2016^2 .

It is a cyclic number.

It is not a de Polignac number, because 11820481 - 2¹⁷ = 11689409 is a prime.

It is a super-2 number, since 2×11820481² = 279447542142722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11820181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5910240 + 5910241.

It is an arithmetic number, because the mean of its divisors is an integer number (5910241).

Almost surely, 2^11820481 is an apocalyptic number.

It is an amenable number.

11820481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11820481 is an equidigital number, since it uses as much as digits as its factorization.

11820481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 11820481 is about 3438.0926398223. The cubic root of 11820481 is about 227.7954523840.

The spelling of 11820481 in words is "eleven million, eight hundred twenty thousand, four hundred eighty-one".