13100009 has 4 divisors (see below), whose sum is σ = 14107716. Its totient is φ = 12092304.

The previous prime is 13099991. The next prime is 13100023. The reversal of 13100009 is 90000131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3888784 + 9211225 = 1972^2 + 3035^2 .

It is a cyclic number.

It is not a de Polignac number, because 13100009 - 2¹⁶ = 13034473 is a prime.

It is a super-2 number, since 2×13100009² = 343220471600162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13099966 and 13100002.

It is not an unprimeable number, because it can be changed into a prime (13100039) 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, 503834 + ... + 503859.

It is an arithmetic number, because the mean of its divisors is an integer number (3526929).

Almost surely, 2^13100009 is an apocalyptic number.

It is an amenable number.

13100009 is a deficient number, since it is larger than the sum of its proper divisors (1007707).

13100009 is a wasteful number, since it uses less digits than its factorization.

13100009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007706.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 13100009 is about 3619.3934574732. The cubic root of 13100009 is about 235.7348897464.

The spelling of 13100009 in words is "thirteen million, one hundred thousand, nine".