13521327 has 8 divisors (see below), whose sum is σ = 18054960. Its totient is φ = 9000960.

The previous prime is 13521323. The next prime is 13521329. The reversal of 13521327 is 72312531.

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

It is not a de Polignac number, because 13521327 - 2² = 13521323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13521297 and 13521306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13521323) 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, 624 + ... + 5237.

It is an arithmetic number, because the mean of its divisors is an integer number (2256870).

Almost surely, 2^13521327 is an apocalyptic number.

13521327 is a deficient number, since it is larger than the sum of its proper divisors (4533633).

13521327 is an equidigital number, since it uses as much as digits as its factorization.

13521327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6633.

The product of its digits is 1260, while the sum is 24.

The square root of 13521327 is about 3677.1357059538. The cubic root of 13521327 is about 238.2354788705.

Adding to 13521327 its reverse (72312531), we get a palindrome (85833858).

The spelling of 13521327 in words is "thirteen million, five hundred twenty-one thousand, three hundred twenty-seven".