13531306 has 16 divisors (see below), whose sum is σ = 21591360. Its totient is φ = 6341760.

The previous prime is 13531277. The next prime is 13531319. The reversal of 13531306 is 60313531.

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, 1851 + ... + 5521.

It is an arithmetic number, because the mean of its divisors is an integer number (1349460).

Almost surely, 2^13531306 is an apocalyptic number.

13531306 is a deficient number, since it is larger than the sum of its proper divisors (8060054).

13531306 is a wasteful number, since it uses less digits than its factorization.

13531306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 13531306 is about 3678.4923542125. The cubic root of 13531306 is about 238.2940719174.

Adding to 13531306 its reverse (60313531), we get a palindrome (73844837).

The spelling of 13531306 in words is "thirteen million, five hundred thirty-one thousand, three hundred six".