11238737 has 2 divisors, whose sum is σ = 11238738. Its totient is φ = 11238736.

The previous prime is 11238727. The next prime is 11238739. The reversal of 11238737 is 73783211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10394176 + 844561 = 3224^2 + 919^2 .

It is an emirp because it is prime and its reverse (73783211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11238737 - 2¹⁰ = 11237713 is a prime.

Together with 11238739, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11238739) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5619368 + 5619369.

It is an arithmetic number, because the mean of its divisors is an integer number (5619369).

Almost surely, 2^11238737 is an apocalyptic number.

It is an amenable number.

11238737 is a deficient number, since it is larger than the sum of its proper divisors (1).

11238737 is an equidigital number, since it uses as much as digits as its factorization.

11238737 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 11238737 is about 3352.4225568982. The cubic root of 11238737 is about 223.9954359721.

The spelling of 11238737 in words is "eleven million, two hundred thirty-eight thousand, seven hundred thirty-seven".