11378749 has 2 divisors, whose sum is σ = 11378750. Its totient is φ = 11378748.

The previous prime is 11378743. The next prime is 11378803. The reversal of 11378749 is 94787311.

11378749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10208025 + 1170724 = 3195^2 + 1082^2 .

It is a cyclic number.

It is not a de Polignac number, because 11378749 - 2¹⁹ = 10854461 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 (11378743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5689374 + 5689375.

It is an arithmetic number, because the mean of its divisors is an integer number (5689375).

Almost surely, 2^11378749 is an apocalyptic number.

It is an amenable number.

11378749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11378749 is an equidigital number, since it uses as much as digits as its factorization.

11378749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 40.

The square root of 11378749 is about 3373.2401337586. The cubic root of 11378749 is about 224.9217769235.

The spelling of 11378749 in words is "eleven million, three hundred seventy-eight thousand, seven hundred forty-nine".