11378839 has 2 divisors, whose sum is σ = 11378840. Its totient is φ = 11378838.

The previous prime is 11378833. The next prime is 11378849. The reversal of 11378839 is 93887311.

11378839 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 is a cyclic number.

It is not a de Polignac number, because 11378839 - 2⁷ = 11378711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11378833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5689419 + 5689420.

It is an arithmetic number, because the mean of its divisors is an integer number (5689420).

Almost surely, 2^11378839 is an apocalyptic number.

11378839 is a deficient number, since it is larger than the sum of its proper divisors (1).

11378839 is an equidigital number, since it uses as much as digits as its factorization.

11378839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The square root of 11378839 is about 3373.2534740218. The cubic root of 11378839 is about 224.9223699268.

The spelling of 11378839 in words is "eleven million, three hundred seventy-eight thousand, eight hundred thirty-nine".