13531345 has 8 divisors (see below), whose sum is σ = 16761600. Its totient is φ = 10475760.

The previous prime is 13531333. The next prime is 13531351. The reversal of 13531345 is 54313531.

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

It is not a de Polignac number, because 13531345 - 2⁹ = 13530833 is a prime.

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, 43495 + ... + 43804.

It is an arithmetic number, because the mean of its divisors is an integer number (2095200).

Almost surely, 2^13531345 is an apocalyptic number.

It is an amenable number.

13531345 is a deficient number, since it is larger than the sum of its proper divisors (3230255).

13531345 is an equidigital number, since it uses as much as digits as its factorization.

13531345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87335.

The product of its digits is 2700, while the sum is 25.

The square root of 13531345 is about 3678.4976552935. The cubic root of 13531345 is about 238.2943008547.

Adding to 13531345 its reverse (54313531), we get a palindrome (67844876).

The spelling of 13531345 in words is "thirteen million, five hundred thirty-one thousand, three hundred forty-five".