13608026 has 4 divisors (see below), whose sum is σ = 20412042. Its totient is φ = 6804012.

The previous prime is 13608013. The next prime is 13608029. The reversal of 13608026 is 62080631.

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

It can be written as a sum of positive squares in only one way, i.e., 13359025 + 249001 = 3655^2 + 499^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13607986 and 13608004.

It is not an unprimeable number, because it can be changed into a prime (13608029) 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, 3402005 + ... + 3402008.

Almost surely, 2^13608026 is an apocalyptic number.

13608026 is a deficient number, since it is larger than the sum of its proper divisors (6804016).

13608026 is an equidigital number, since it uses as much as digits as its factorization.

13608026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804015.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 13608026 is about 3688.9057998274. The cubic root of 13608026 is about 238.7435845247.

Adding to 13608026 its reverse (62080631), we get a palindrome (75688657).

The spelling of 13608026 in words is "thirteen million, six hundred eight thousand, twenty-six".