13523134 has 4 divisors (see below), whose sum is σ = 20284704. Its totient is φ = 6761566.

The previous prime is 13523129. The next prime is 13523173. The reversal of 13523134 is 43132531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43132531 = 13 ⋅3317887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3380782 + ... + 3380785.

It is an arithmetic number, because the mean of its divisors is an integer number (5071176).

Almost surely, 2^13523134 is an apocalyptic number.

13523134 is a deficient number, since it is larger than the sum of its proper divisors (6761570).

13523134 is an equidigital number, since it uses as much as digits as its factorization.

13523134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761569.

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

The square root of 13523134 is about 3677.3814052937. The cubic root of 13523134 is about 238.2460910522.

Adding to 13523134 its reverse (43132531), we get a palindrome (56655665).

The spelling of 13523134 in words is "thirteen million, five hundred twenty-three thousand, one hundred thirty-four".