11754521 has 6 divisors (see below), whose sum is σ = 12406122. Its totient is φ = 11135520.

The previous prime is 11754503. The next prime is 11754527. The reversal of 11754521 is 12545711.

11754521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11055625 + 698896 = 3325^2 + 836^2 .

It is not a de Polignac number, because 11754521 - 2¹⁴ = 11738137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11754527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15920 + ... + 16641.

It is an arithmetic number, because the mean of its divisors is an integer number (2067687).

Almost surely, 2^11754521 is an apocalyptic number.

It is an amenable number.

11754521 is a deficient number, since it is larger than the sum of its proper divisors (651601).

11754521 is an equidigital number, since it uses as much as digits as its factorization.

11754521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32599 (or 32580 counting only the distinct ones).

The product of its digits is 1400, while the sum is 26.

The square root of 11754521 is about 3428.4866924053. The cubic root of 11754521 is about 227.3709512447.

The spelling of 11754521 in words is "eleven million, seven hundred fifty-four thousand, five hundred twenty-one".