11953994 has 16 divisors (see below), whose sum is σ = 19410720. Its totient is φ = 5488560.

The previous prime is 11953973. The next prime is 11953999. The reversal of 11953994 is 49935911.

It is not an unprimeable number, because it can be changed into a prime (11953999) 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, 4397 + ... + 6575.

It is an arithmetic number, because the mean of its divisors is an integer number (1213170).

Almost surely, 2^11953994 is an apocalyptic number.

11953994 is a deficient number, since it is larger than the sum of its proper divisors (7456726).

11953994 is a wasteful number, since it uses less digits than its factorization.

11953994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405.

The product of its digits is 43740, while the sum is 41.

The square root of 11953994 is about 3457.4548442460. The cubic root of 11953994 is about 228.6498975747.

The spelling of 11953994 in words is "eleven million, nine hundred fifty-three thousand, nine hundred ninety-four".