11238749 has 2 divisors, whose sum is σ = 11238750. Its totient is φ = 11238748.

The previous prime is 11238739. The next prime is 11238757. The reversal of 11238749 is 94783211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10936249 + 302500 = 3307^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 11238749 - 2¹⁶ = 11173213 is a prime.

It is a Chen prime.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5619374 + 5619375.

It is an arithmetic number, because the mean of its divisors is an integer number (5619375).

Almost surely, 2^11238749 is an apocalyptic number.

It is an amenable number.

11238749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11238749 is an equidigital number, since it uses as much as digits as its factorization.

11238749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 11238749 is about 3352.4243466483. The cubic root of 11238749 is about 223.9955156947.

The spelling of 11238749 in words is "eleven million, two hundred thirty-eight thousand, seven hundred forty-nine".