11973834 has 12 divisors (see below), whose sum is σ = 25943346. Its totient is φ = 3991272.

The previous prime is 11973833. The next prime is 11973851. The reversal of 11973834 is 43837911.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11923209 + 50625 = 3453^2 + 225^2 .

It is not an unprimeable number, because it can be changed into a prime (11973833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 332589 + ... + 332624.

Almost surely, 2^11973834 is an apocalyptic number.

11973834 is an abundant number, since it is smaller than the sum of its proper divisors (13969512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11973834 is a wasteful number, since it uses less digits than its factorization.

11973834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665221 (or 665218 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 11973834 is about 3460.3228173105. The cubic root of 11973834 is about 228.7763241228.

The spelling of 11973834 in words is "eleven million, nine hundred seventy-three thousand, eight hundred thirty-four".