11387237 has 2 divisors, whose sum is σ = 11387238. Its totient is φ = 11387236.

The previous prime is 11387219. The next prime is 11387239. The reversal of 11387237 is 73278311.

11387237 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., 8561476 + 2825761 = 2926^2 + 1681^2 .

It is a cyclic number.

It is not a de Polignac number, because 11387237 - 2¹⁰ = 11386213 is a prime.

Together with 11387239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11387239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5693618 + 5693619.

It is an arithmetic number, because the mean of its divisors is an integer number (5693619).

Almost surely, 2^11387237 is an apocalyptic number.

It is an amenable number.

11387237 is a deficient number, since it is larger than the sum of its proper divisors (1).

11387237 is an equidigital number, since it uses as much as digits as its factorization.

11387237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 32.

The square root of 11387237 is about 3374.4980367456. The cubic root of 11387237 is about 224.9776899690.

The spelling of 11387237 in words is "eleven million, three hundred eighty-seven thousand, two hundred thirty-seven".