11838481 has 2 divisors, whose sum is σ = 11838482. Its totient is φ = 11838480.

The previous prime is 11838479. The next prime is 11838487. The reversal of 11838481 is 18483811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6548481 + 5290000 = 2559^2 + 2300^2 .

It is a cyclic number.

It is not a de Polignac number, because 11838481 - 2¹ = 11838479 is a prime.

It is a super-2 number, since 2×11838481² = 280299264774722, which contains 22 as substring.

Together with 11838479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11838487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5919240 + 5919241.

It is an arithmetic number, because the mean of its divisors is an integer number (5919241).

Almost surely, 2^11838481 is an apocalyptic number.

It is an amenable number.

11838481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11838481 is an equidigital number, since it uses as much as digits as its factorization.

11838481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 34.

The square root of 11838481 is about 3440.7093745331. The cubic root of 11838481 is about 227.9110212458.

The spelling of 11838481 in words is "eleven million, eight hundred thirty-eight thousand, four hundred eighty-one".