13131355 has 8 divisors (see below), whose sum is σ = 15829632. Its totient is φ = 10457088.

The previous prime is 13131343. The next prime is 13131359. The reversal of 13131355 is 55313131.

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

It is a cyclic number.

It is not a de Polignac number, because 13131355 - 2¹⁵ = 13098587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131359) by changing a digit.

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, 4774 + ... + 7003.

It is an arithmetic number, because the mean of its divisors is an integer number (1978704).

Almost surely, 2^13131355 is an apocalyptic number.

13131355 is a deficient number, since it is larger than the sum of its proper divisors (2698277).

13131355 is a wasteful number, since it uses less digits than its factorization.

13131355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12005.

The product of its digits is 675, while the sum is 22.

The square root of 13131355 is about 3623.7211537313. The cubic root of 13131355 is about 235.9227639145.

Adding to 13131355 its reverse (55313131), we get a palindrome (68444486).

The spelling of 13131355 in words is "thirteen million, one hundred thirty-one thousand, three hundred fifty-five".