13523606 has 4 divisors (see below), whose sum is σ = 20285412. Its totient is φ = 6761802.

The previous prime is 13523603. The next prime is 13523617. The reversal of 13523606 is 60632531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60632531 = 23 ⋅2636197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13523603) 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 as a sum of consecutive naturals, namely, 3380900 + ... + 3380903.

It is an arithmetic number, because the mean of its divisors is an integer number (5071353).

Almost surely, 2^13523606 is an apocalyptic number.

13523606 is a deficient number, since it is larger than the sum of its proper divisors (6761806).

13523606 is an equidigital number, since it uses as much as digits as its factorization.

13523606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6761805.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 13523606 is about 3677.4455808346. The cubic root of 13523606 is about 238.2488628664.

The spelling of 13523606 in words is "thirteen million, five hundred twenty-three thousand, six hundred six".