11852521 has 8 divisors (see below), whose sum is σ = 12415104. Its totient is φ = 11293920.

The previous prime is 11852513. The next prime is 11852531. The reversal of 11852521 is 12525811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11852521 - 2³ = 11852513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11852531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6325 + ... + 7981.

It is an arithmetic number, because the mean of its divisors is an integer number (1551888).

Almost surely, 2^11852521 is an apocalyptic number.

It is an amenable number.

11852521 is a deficient number, since it is larger than the sum of its proper divisors (562583).

11852521 is a wasteful number, since it uses less digits than its factorization.

11852521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991.

The product of its digits is 800, while the sum is 25.

The square root of 11852521 is about 3442.7490469100. The cubic root of 11852521 is about 228.0010836616.

The spelling of 11852521 in words is "eleven million, eight hundred fifty-two thousand, five hundred twenty-one".