11965834 has 8 divisors (see below), whose sum is σ = 17967780. Its totient is φ = 5976576.

The previous prime is 11965831. The next prime is 11965847. The reversal of 11965834 is 43856911.

11965834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10857025 + 1108809 = 3295^2 + 1053^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11965793 and 11965802.

It is not an unprimeable number, because it can be changed into a prime (11965831) 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, 289 + ... + 4900.

Almost surely, 2^11965834 is an apocalyptic number.

11965834 is a deficient number, since it is larger than the sum of its proper divisors (6001946).

11965834 is a wasteful number, since it uses less digits than its factorization.

11965834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6344.

The product of its digits is 25920, while the sum is 37.

The square root of 11965834 is about 3459.1666626516. The cubic root of 11965834 is about 228.7253624913.

The spelling of 11965834 in words is "eleven million, nine hundred sixty-five thousand, eight hundred thirty-four".