13532473 has 4 divisors (see below), whose sum is σ = 13999140. Its totient is φ = 13065808.

The previous prime is 13532447. The next prime is 13532479. The reversal of 13532473 is 37423531.

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 5076009 + 8456464 = 2253^2 + 2908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13532473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13532479) 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, 233290 + ... + 233347.

It is an arithmetic number, because the mean of its divisors is an integer number (3499785).

Almost surely, 2^13532473 is an apocalyptic number.

It is an amenable number.

13532473 is a deficient number, since it is larger than the sum of its proper divisors (466667).

13532473 is an equidigital number, since it uses as much as digits as its factorization.

13532473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466666.

The product of its digits is 7560, while the sum is 28.

The square root of 13532473 is about 3678.6509755616. The cubic root of 13532473 is about 238.3009222339.

The spelling of 13532473 in words is "thirteen million, five hundred thirty-two thousand, four hundred seventy-three".