11921714 has 16 divisors (see below), whose sum is σ = 20824128. Its totient is φ = 5012592.

The previous prime is 11921713. The next prime is 11921719. The reversal of 11921714 is 41712911.

It is not an unprimeable number, because it can be changed into a prime (11921713) 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, 7292 + ... + 8775.

It is an arithmetic number, because the mean of its divisors is an integer number (1301508).

Almost surely, 2^11921714 is an apocalyptic number.

11921714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11921714 is a deficient number, since it is larger than the sum of its proper divisors (8902414).

11921714 is a wasteful number, since it uses less digits than its factorization.

11921714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16129.

The product of its digits is 504, while the sum is 26.

The square root of 11921714 is about 3452.7835147892. The cubic root of 11921714 is about 228.4439002519.

The spelling of 11921714 in words is "eleven million, nine hundred twenty-one thousand, seven hundred fourteen".