11721014 has 4 divisors (see below), whose sum is σ = 17581524. Its totient is φ = 5860506.

The previous prime is 11721013. The next prime is 11721023. The reversal of 11721014 is 41012711.

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

It is a junction number, because it is equal to n+sod(n) for n = 11720983 and 11721001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11721013) 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, 2930252 + ... + 2930255.

It is an arithmetic number, because the mean of its divisors is an integer number (4395381).

Almost surely, 2^11721014 is an apocalyptic number.

11721014 is a deficient number, since it is larger than the sum of its proper divisors (5860510).

11721014 is an equidigital number, since it uses as much as digits as its factorization.

11721014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860509.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 11721014 is about 3423.5966468029. The cubic root of 11721014 is about 227.1547005791.

Adding to 11721014 its reverse (41012711), we get a palindrome (52733725).

The spelling of 11721014 in words is "eleven million, seven hundred twenty-one thousand, fourteen".