11473381 has 2 divisors, whose sum is σ = 11473382. Its totient is φ = 11473380.

The previous prime is 11473361. The next prime is 11473391. The reversal of 11473381 is 18337411.

11473381 is digitally balanced in base 3, because in such base 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., 6812100 + 4661281 = 2610^2 + 2159^2 .

It is an emirp because it is prime and its reverse (18337411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11473381 - 2⁵ = 11473349 is a prime.

It is a super-2 number, since 2×11473381² = 263276943142322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11473361) 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, 5736690 + 5736691.

It is an arithmetic number, because the mean of its divisors is an integer number (5736691).

Almost surely, 2^11473381 is an apocalyptic number.

It is an amenable number.

11473381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11473381 is an equidigital number, since it uses as much as digits as its factorization.

11473381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 11473381 is about 3387.2379603447. The cubic root of 11473381 is about 225.5435811691.

The spelling of 11473381 in words is "eleven million, four hundred seventy-three thousand, three hundred eighty-one".