13501323 has 24 divisors (see below), whose sum is σ = 22067136. Its totient is φ = 8181000.

The previous prime is 13501321. The next prime is 13501331. The reversal of 13501323 is 32310531.

It is not a de Polignac number, because 13501323 - 2¹ = 13501321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13501296 and 13501305.

It is not an unprimeable number, because it can be changed into a prime (13501321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (919464).

Almost surely, 2^13501323 is an apocalyptic number.

13501323 is a deficient number, since it is larger than the sum of its proper divisors (8565813).

13501323 is an equidigital number, since it uses as much as digits as its factorization.

13501323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077 (or 5065 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 13501323 is about 3674.4146472602. The cubic root of 13501323 is about 238.1179358063.

Adding to 13501323 its reverse (32310531), we get a palindrome (45811854).

It can be divided in two parts, 13501 and 323, that added together give a cube (13824 = 24³).

The spelling of 13501323 in words is "thirteen million, five hundred one thousand, three hundred twenty-three".