13531308 has 24 divisors (see below), whose sum is σ = 36083712. Its totient is φ = 3866064.

The previous prime is 13531277. The next prime is 13531319. The reversal of 13531308 is 80313531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80460 + ... + 80627.

It is an arithmetic number, because the mean of its divisors is an integer number (1503488).

Almost surely, 2^13531308 is an apocalyptic number.

It is an amenable number.

13531308 is an abundant number, since it is smaller than the sum of its proper divisors (22552404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13531308 is a wasteful number, since it uses less digits than its factorization.

13531308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161101 (or 161099 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13531308 is about 3678.4926260630. The cubic root of 13531308 is about 238.2940836578.

Adding to 13531308 its reverse (80313531), we get a palindrome (93844839).

The spelling of 13531308 in words is "thirteen million, five hundred thirty-one thousand, three hundred eight".