13531322 has 16 divisors (see below), whose sum is σ = 23524992. Its totient is φ = 5717040.

The previous prime is 13531319. The next prime is 13531333. The reversal of 13531322 is 22313531.

It is a junction number, because it is equal to n+sod(n) for n = 13531294 and 13531303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5813 + ... + 7800.

It is an arithmetic number, because the mean of its divisors is an integer number (1470312).

Almost surely, 2^13531322 is an apocalyptic number.

13531322 is a deficient number, since it is larger than the sum of its proper divisors (9993670).

13531322 is a wasteful number, since it uses less digits than its factorization.

13531322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13693.

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

The square root of 13531322 is about 3678.4945290159. The cubic root of 13531322 is about 238.2941658404.

Adding to 13531322 its reverse (22313531), we get a palindrome (35844853).

The spelling of 13531322 in words is "thirteen million, five hundred thirty-one thousand, three hundred twenty-two".