1206533 has 4 divisors (see below), whose sum is σ = 1239180. Its totient is φ = 1173888.

The previous prime is 1206529. The next prime is 1206539. The reversal of 1206533 is 3356021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 954529 + 252004 = 977^2 + 502^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206533 - 2² = 1206529 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16268 + ... + 16341.

It is an arithmetic number, because the mean of its divisors is an integer number (309795).

2^1206533 is an apocalyptic number.

It is an amenable number.

1206533 is a deficient number, since it is larger than the sum of its proper divisors (32647).

1206533 is an equidigital number, since it uses as much as digits as its factorization.

1206533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32646.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1206533 is about 1098.4229604301. The cubic root of 1206533 is about 106.4583510284.

The spelling of 1206533 in words is "one million, two hundred six thousand, five hundred thirty-three".