11760721 has 4 divisors (see below), whose sum is σ = 13440832. Its totient is φ = 10080612.

The previous prime is 11760673. The next prime is 11760731. The reversal of 11760721 is 12706711.

11760721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11760721 - 2¹¹ = 11758673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11760731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840045 + ... + 840058.

It is an arithmetic number, because the mean of its divisors is an integer number (3360208).

Almost surely, 2^11760721 is an apocalyptic number.

It is an amenable number.

11760721 is a deficient number, since it is larger than the sum of its proper divisors (1680111).

11760721 is an equidigital number, since it uses as much as digits as its factorization.

11760721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680110.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 11760721 is about 3429.3907622200. The cubic root of 11760721 is about 227.4109203232.

The spelling of 11760721 in words is "eleven million, seven hundred sixty thousand, seven hundred twenty-one".