11240387 has 2 divisors, whose sum is σ = 11240388. Its totient is φ = 11240386.

The previous prime is 11240347. The next prime is 11240393. The reversal of 11240387 is 78304211.

11240387 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 is an emirp because it is prime and its reverse (78304211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11240387 - 2⁶ = 11240323 is a prime.

It is not a weakly prime, because it can be changed into another prime (11240347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620193 + 5620194.

It is an arithmetic number, because the mean of its divisors is an integer number (5620194).

Almost surely, 2^11240387 is an apocalyptic number.

11240387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11240387 is an equidigital number, since it uses as much as digits as its factorization.

11240387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 11240387 is about 3352.6686385624. The cubic root of 11240387 is about 224.0063972982.

Adding to 11240387 its reverse (78304211), we get a palindrome (89544598).

The spelling of 11240387 in words is "eleven million, two hundred forty thousand, three hundred eighty-seven".