11982533 has 2 divisors, whose sum is σ = 11982534. Its totient is φ = 11982532.

The previous prime is 11982527. The next prime is 11982541. The reversal of 11982533 is 33528911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11950849 + 31684 = 3457^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 11982533 - 2⁶ = 11982469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11982533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11982583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5991266 + 5991267.

It is an arithmetic number, because the mean of its divisors is an integer number (5991267).

Almost surely, 2^11982533 is an apocalyptic number.

It is an amenable number.

11982533 is a deficient number, since it is larger than the sum of its proper divisors (1).

11982533 is an equidigital number, since it uses as much as digits as its factorization.

11982533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 11982533 is about 3461.5795527476. The cubic root of 11982533 is about 228.8317127726.

The spelling of 11982533 in words is "eleven million, nine hundred eighty-two thousand, five hundred thirty-three".