11982529 has 4 divisors (see below), whose sum is σ = 12904276. Its totient is φ = 11060784.

The previous prime is 11982527. The next prime is 11982533. The reversal of 11982529 is 92528911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92528911 = 9007 ⋅10273.

It can be written as a sum of positive squares in 2 ways, for example, as 7551504 + 4431025 = 2748^2 + 2105^2 .

It is a cyclic number.

It is not a de Polignac number, because 11982529 - 2¹ = 11982527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11982527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460854 + ... + 460879.

It is an arithmetic number, because the mean of its divisors is an integer number (3226069).

Almost surely, 2^11982529 is an apocalyptic number.

It is an amenable number.

11982529 is a deficient number, since it is larger than the sum of its proper divisors (921747).

11982529 is an equidigital number, since it uses as much as digits as its factorization.

11982529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921746.

The product of its digits is 12960, while the sum is 37.

The square root of 11982529 is about 3461.5789749766. The cubic root of 11982529 is about 228.8316873098.

The spelling of 11982529 in words is "eleven million, nine hundred eighty-two thousand, five hundred twenty-nine".