11906439 has 4 divisors (see below), whose sum is σ = 15875256. Its totient is φ = 7937624.

The previous prime is 11906437. The next prime is 11906467. The reversal of 11906439 is 93460911.

11906439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93460911 = 3 ⋅31153637.

It is a cyclic number.

It is not a de Polignac number, because 11906439 - 2¹ = 11906437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11906437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984404 + ... + 1984409.

It is an arithmetic number, because the mean of its divisors is an integer number (3968814).

Almost surely, 2^11906439 is an apocalyptic number.

11906439 is a deficient number, since it is larger than the sum of its proper divisors (3968817).

11906439 is an equidigital number, since it uses as much as digits as its factorization.

11906439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968816.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 11906439 is about 3450.5708223423. The cubic root of 11906439 is about 228.3462920286.

The spelling of 11906439 in words is "eleven million, nine hundred six thousand, four hundred thirty-nine".