13109011 has 4 divisors (see below), whose sum is σ = 13678992. Its totient is φ = 12539032.

The previous prime is 13109009. The next prime is 13109021. The reversal of 13109011 is 11090131.

It is a happy number.

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 13109011 - 2¹ = 13109009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13109021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284956 + ... + 285001.

It is an arithmetic number, because the mean of its divisors is an integer number (3419748).

Almost surely, 2^13109011 is an apocalyptic number.

13109011 is a deficient number, since it is larger than the sum of its proper divisors (569981).

13109011 is an equidigital number, since it uses as much as digits as its factorization.

13109011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569980.

The product of its (nonzero) digits is 27, while the sum is 16.

The square root of 13109011 is about 3620.6368224388. The cubic root of 13109011 is about 235.7888744315.

Adding to 13109011 its reverse (11090131), we get a palindrome (24199142).

The spelling of 13109011 in words is "thirteen million, one hundred nine thousand, eleven".