13531733 has 8 divisors (see below), whose sum is σ = 13721400. Its totient is φ = 13343680.

The previous prime is 13531703. The next prime is 13531747. The reversal of 13531733 is 33713531.

It can be written as a sum of positive squares in 4 ways, for example, as 2093809 + 11437924 = 1447^2 + 3382^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13531733 - 2⁶ = 13531669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29123 + ... + 29583.

It is an arithmetic number, because the mean of its divisors is an integer number (1715175).

Almost surely, 2^13531733 is an apocalyptic number.

It is an amenable number.

13531733 is a deficient number, since it is larger than the sum of its proper divisors (189667).

13531733 is a wasteful number, since it uses less digits than its factorization.

13531733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its digits is 2835, while the sum is 26.

The square root of 13531733 is about 3678.5503938372. The cubic root of 13531733 is about 238.2965784628.

The spelling of 13531733 in words is "thirteen million, five hundred thirty-one thousand, seven hundred thirty-three".