11446381 has 2 divisors, whose sum is σ = 11446382. Its totient is φ = 11446380.

The previous prime is 11446361. The next prime is 11446403. The reversal of 11446381 is 18364411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6584356 + 4862025 = 2566^2 + 2205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11446381 is a prime.

It is a super-2 number, since 2×11446381² = 262039275994322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11446301) 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 as a sum of consecutive naturals, namely, 5723190 + 5723191.

It is an arithmetic number, because the mean of its divisors is an integer number (5723191).

Almost surely, 2^11446381 is an apocalyptic number.

It is an amenable number.

11446381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11446381 is an equidigital number, since it uses as much as digits as its factorization.

11446381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 28.

The square root of 11446381 is about 3383.2500646568. The cubic root of 11446381 is about 225.3665203173.

The spelling of 11446381 in words is "eleven million, four hundred forty-six thousand, three hundred eighty-one".