11348581 has 2 divisors, whose sum is σ = 11348582. Its totient is φ = 11348580.

The previous prime is 11348543. The next prime is 11348611. The reversal of 11348581 is 18584311.

11348581 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8946081 + 2402500 = 2991^2 + 1550^2 .

It is a cyclic number.

It is not a de Polignac number, because 11348581 - 2¹⁵ = 11315813 is a prime.

It is a super-2 number, since 2×11348581² = 257580581427122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11348521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5674290 + 5674291.

It is an arithmetic number, because the mean of its divisors is an integer number (5674291).

Almost surely, 2^11348581 is an apocalyptic number.

It is an amenable number.

11348581 is a deficient number, since it is larger than the sum of its proper divisors (1).

11348581 is an equidigital number, since it uses as much as digits as its factorization.

11348581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 31.

The square root of 11348581 is about 3368.7655008920. The cubic root of 11348581 is about 224.7228257715.

The spelling of 11348581 in words is "eleven million, three hundred forty-eight thousand, five hundred eighty-one".