11704521 has 8 divisors (see below), whose sum is σ = 15621984. Its totient is φ = 7795040.

The previous prime is 11704501. The next prime is 11704549. The reversal of 11704521 is 12540711.

It is a happy number.

11704521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11704521 - 2¹⁵ = 11671753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11704501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4030 + ... + 6296.

It is an arithmetic number, because the mean of its divisors is an integer number (1952748).

Almost surely, 2^11704521 is an apocalyptic number.

It is an amenable number.

11704521 is a deficient number, since it is larger than the sum of its proper divisors (3917463).

11704521 is a wasteful number, since it uses less digits than its factorization.

11704521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 11704521 is about 3421.1870746862. The cubic root of 11704521 is about 227.0481051058.

The spelling of 11704521 in words is "eleven million, seven hundred four thousand, five hundred twenty-one".