11820934 has 4 divisors (see below), whose sum is σ = 17731404. Its totient is φ = 5910466.

The previous prime is 11820901. The next prime is 11820947. The reversal of 11820934 is 43902811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2955232 + ... + 2955235.

It is an arithmetic number, because the mean of its divisors is an integer number (4432851).

Almost surely, 2^11820934 is an apocalyptic number.

11820934 is a deficient number, since it is larger than the sum of its proper divisors (5910470).

11820934 is an equidigital number, since it uses as much as digits as its factorization.

11820934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910469.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 11820934 is about 3438.1585187423. The cubic root of 11820934 is about 227.7983623056.

The spelling of 11820934 in words is "eleven million, eight hundred twenty thousand, nine hundred thirty-four".