13827533 has 4 divisors (see below), whose sum is σ = 13836480. Its totient is φ = 13818588.

The previous prime is 13827521. The next prime is 13827557. The reversal of 13827533 is 33572831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33572831 = 127 ⋅264353.

It is a cyclic number.

It is not a de Polignac number, because 13827533 - 2⁶ = 13827469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13827533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13827833) 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, 1493 + ... + 5466.

It is an arithmetic number, because the mean of its divisors is an integer number (3459120).

Almost surely, 2^13827533 is an apocalyptic number.

It is an amenable number.

13827533 is a deficient number, since it is larger than the sum of its proper divisors (8947).

13827533 is an equidigital number, since it uses as much as digits as its factorization.

13827533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8946.

The product of its digits is 15120, while the sum is 32.

The square root of 13827533 is about 3718.5390948597. The cubic root of 13827533 is about 240.0204438603.

The spelling of 13827533 in words is "thirteen million, eight hundred twenty-seven thousand, five hundred thirty-three".