11738081 has 4 divisors (see below), whose sum is σ = 11744964. Its totient is φ = 11731200.

The previous prime is 11738063. The next prime is 11738087. The reversal of 11738081 is 18083711.

11738081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18083711 = 1049 ⋅17239.

It can be written as a sum of positive squares in 2 ways, for example, as 1600225 + 10137856 = 1265^2 + 3184^2 .

It is a cyclic number.

It is not a de Polignac number, because 11738081 - 2¹⁰ = 11737057 is a prime.

It is a super-2 number, since 2×11738081² = 275565091125122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11738087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241 + ... + 5001.

It is an arithmetic number, because the mean of its divisors is an integer number (2936241).

Almost surely, 2^11738081 is an apocalyptic number.

It is an amenable number.

11738081 is a deficient number, since it is larger than the sum of its proper divisors (6883).

11738081 is an equidigital number, since it uses as much as digits as its factorization.

11738081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882.

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 11738081 is about 3426.0882942505. The cubic root of 11738081 is about 227.2649006323.

The spelling of 11738081 in words is "eleven million, seven hundred thirty-eight thousand, eighty-one".