11529873 has 6 divisors (see below), whose sum is σ = 16654274. Its totient is φ = 7686576.

The previous prime is 11529863. The next prime is 11529901. The reversal of 11529873 is 37892511.

It can be written as a sum of positive squares in only one way, i.e., 11512449 + 17424 = 3393^2 + 132^2 .

It is not a de Polignac number, because 11529873 - 2⁹ = 11529361 is a prime.

It is a super-2 number, since 2×11529873² = 265875942792258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11529853) 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, 640540 + ... + 640557.

Almost surely, 2^11529873 is an apocalyptic number.

It is an amenable number.

11529873 is a deficient number, since it is larger than the sum of its proper divisors (5124401).

11529873 is a wasteful number, since it uses less digits than its factorization.

11529873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281103 (or 1281100 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 11529873 is about 3395.5666684664. The cubic root of 11529873 is about 225.9131482911.

It can be divided in two parts, 1152 and 9873, that added together give a square (11025 = 105²).

The spelling of 11529873 in words is "eleven million, five hundred twenty-nine thousand, eight hundred seventy-three".