13134523 has 4 divisors (see below), whose sum is σ = 13907160. Its totient is φ = 12361888.

The previous prime is 13134493. The next prime is 13134533. The reversal of 13134523 is 32543131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13134523 - 2¹⁷ = 13003451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13134494 and 13134503.

It is not an unprimeable number, because it can be changed into a prime (13134533) 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 3 ways as a sum of consecutive naturals, for example, 386293 + ... + 386326.

It is an arithmetic number, because the mean of its divisors is an integer number (3476790).

Almost surely, 2^13134523 is an apocalyptic number.

13134523 is a deficient number, since it is larger than the sum of its proper divisors (772637).

13134523 is an equidigital number, since it uses as much as digits as its factorization.

13134523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772636.

The product of its digits is 1080, while the sum is 22.

The square root of 13134523 is about 3624.1582470968. The cubic root of 13134523 is about 235.9417348742.

Adding to 13134523 its reverse (32543131), we get a palindrome (45677654).

The spelling of 13134523 in words is "thirteen million, one hundred thirty-four thousand, five hundred twenty-three".