11937839 has 2 divisors, whose sum is σ = 11937840. Its totient is φ = 11937838.

The previous prime is 11937829. The next prime is 11937857. The reversal of 11937839 is 93873911.

11937839 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 11937839 - 2⁴ = 11937823 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11937796 and 11937805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11937829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5968919 + 5968920.

It is an arithmetic number, because the mean of its divisors is an integer number (5968920).

Almost surely, 2^11937839 is an apocalyptic number.

11937839 is a deficient number, since it is larger than the sum of its proper divisors (1).

11937839 is an equidigital number, since it uses as much as digits as its factorization.

11937839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 41.

The square root of 11937839 is about 3455.1177982813. The cubic root of 11937839 is about 228.5468496078.

The spelling of 11937839 in words is "eleven million, nine hundred thirty-seven thousand, eight hundred thirty-nine".