11388263 has 2 divisors, whose sum is σ = 11388264. Its totient is φ = 11388262.

The previous prime is 11388259. The next prime is 11388319. The reversal of 11388263 is 36288311.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (36288311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11388263 - 2² = 11388259 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11388463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5694131 + 5694132.

It is an arithmetic number, because the mean of its divisors is an integer number (5694132).

Almost surely, 2^11388263 is an apocalyptic number.

11388263 is a deficient number, since it is larger than the sum of its proper divisors (1).

11388263 is an equidigital number, since it uses as much as digits as its factorization.

11388263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 11388263 is about 3374.6500559317. The cubic root of 11388263 is about 224.9844466615.

The spelling of 11388263 in words is "eleven million, three hundred eighty-eight thousand, two hundred sixty-three".