11946109 has 8 divisors (see below), whose sum is σ = 13688640. Its totient is φ = 10212576.

The previous prime is 11946101. The next prime is 11946133. The reversal of 11946109 is 90164911.

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

It is a cyclic number.

It is not a de Polignac number, because 11946109 - 2³ = 11946101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11946101) 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 7 ways as a sum of consecutive naturals, for example, 897 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (1711080).

Almost surely, 2^11946109 is an apocalyptic number.

It is an amenable number.

11946109 is a deficient number, since it is larger than the sum of its proper divisors (1742531).

11946109 is an equidigital number, since it uses as much as digits as its factorization.

11946109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 11946109 is about 3456.3143664893. The cubic root of 11946109 is about 228.5996130982.

The spelling of 11946109 in words is "eleven million, nine hundred forty-six thousand, one hundred nine".