11820346 has 4 divisors (see below), whose sum is σ = 17730522. Its totient is φ = 5910172.

The previous prime is 11820329. The next prime is 11820349. The reversal of 11820346 is 64302811.

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

It can be written as a sum of positive squares in only one way, i.e., 9891025 + 1929321 = 3145^2 + 1389^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11820346.

It is not an unprimeable number, because it can be changed into a prime (11820349) 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 as a sum of consecutive naturals, namely, 2955085 + ... + 2955088.

Almost surely, 2^11820346 is an apocalyptic number.

11820346 is a deficient number, since it is larger than the sum of its proper divisors (5910176).

11820346 is an equidigital number, since it uses as much as digits as its factorization.

11820346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910175.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 11820346 is about 3438.0730067874. The cubic root of 11820346 is about 227.7945851744.

The spelling of 11820346 in words is "eleven million, eight hundred twenty thousand, three hundred forty-six".