11381393 has 2 divisors, whose sum is σ = 11381394. Its totient is φ = 11381392.

The previous prime is 11381353. The next prime is 11381413. The reversal of 11381393 is 39318311.

11381393 is digitally balanced in base 2, 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., 11075584 + 305809 = 3328^2 + 553^2 .

It is a cyclic number.

It is not a de Polignac number, because 11381393 - 2⁶ = 11381329 is a prime.

It is a super-2 number, since 2×11381393² = 259072213240898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11381303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5690696 + 5690697.

It is an arithmetic number, because the mean of its divisors is an integer number (5690697).

Almost surely, 2^11381393 is an apocalyptic number.

It is an amenable number.

11381393 is a deficient number, since it is larger than the sum of its proper divisors (1).

11381393 is an equidigital number, since it uses as much as digits as its factorization.

11381393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 11381393 is about 3373.6320190560. The cubic root of 11381393 is about 224.9391967389.

The spelling of 11381393 in words is "eleven million, three hundred eighty-one thousand, three hundred ninety-three".