11344981 has 2 divisors, whose sum is σ = 11344982. Its totient is φ = 11344980.

The previous prime is 11344979. The next prime is 11344997. The reversal of 11344981 is 18944311.

11344981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10595025 + 749956 = 3255^2 + 866^2 .

It is a cyclic number.

It is not a de Polignac number, because 11344981 - 2¹ = 11344979 is a prime.

It is a super-2 number, since 2×11344981² = 257417187780722, which contains 22 as substring.

Together with 11344979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11344901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672490 + 5672491.

It is an arithmetic number, because the mean of its divisors is an integer number (5672491).

Almost surely, 2^11344981 is an apocalyptic number.

It is an amenable number.

11344981 is a deficient number, since it is larger than the sum of its proper divisors (1).

11344981 is an equidigital number, since it uses as much as digits as its factorization.

11344981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

The square root of 11344981 is about 3368.2311381495. The cubic root of 11344981 is about 224.6990610461.

The spelling of 11344981 in words is "eleven million, three hundred forty-four thousand, nine hundred eighty-one".