13109506 has 8 divisors (see below), whose sum is σ = 20699280. Its totient is φ = 6209748.

The previous prime is 13109491. The next prime is 13109513. The reversal of 13109506 is 60590131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172456 + ... + 172531.

It is an arithmetic number, because the mean of its divisors is an integer number (2587410).

Almost surely, 2^13109506 is an apocalyptic number.

13109506 is a deficient number, since it is larger than the sum of its proper divisors (7589774).

13109506 is a wasteful number, since it uses less digits than its factorization.

13109506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345008.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 13109506 is about 3620.7051799339. The cubic root of 13109506 is about 235.7918422126.

Adding to 13109506 its reverse (60590131), we get a palindrome (73699637).

It can be divided in two parts, 1310 and 9506, that added together give a square (10816 = 104²).

The spelling of 13109506 in words is "thirteen million, one hundred nine thousand, five hundred six".