11521433 has 8 divisors (see below), whose sum is σ = 14364480. Its totient is φ = 8977680.

The previous prime is 11521421. The next prime is 11521453. The reversal of 11521433 is 33412511.

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 11521433 - 2¹⁰ = 11520409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11521453) 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, 74738 + ... + 74891.

It is an arithmetic number, because the mean of its divisors is an integer number (1795560).

Almost surely, 2^11521433 is an apocalyptic number.

It is an amenable number.

11521433 is a deficient number, since it is larger than the sum of its proper divisors (2843047).

11521433 is a wasteful number, since it uses less digits than its factorization.

11521433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149647.

The product of its digits is 360, while the sum is 20.

The square root of 11521433 is about 3394.3236439680. The cubic root of 11521433 is about 225.8580111587.

Adding to 11521433 its reverse (33412511), we get a palindrome (44933944).

The spelling of 11521433 in words is "eleven million, five hundred twenty-one thousand, four hundred thirty-three".