13907109 has 4 divisors (see below), whose sum is σ = 18542816. Its totient is φ = 9271404.

The previous prime is 13907087. The next prime is 13907119. The reversal of 13907109 is 90170931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13907109 - 2¹⁶ = 13841573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13907119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2317849 + ... + 2317854.

It is an arithmetic number, because the mean of its divisors is an integer number (4635704).

Almost surely, 2^13907109 is an apocalyptic number.

It is an amenable number.

13907109 is a deficient number, since it is larger than the sum of its proper divisors (4635707).

13907109 is an equidigital number, since it uses as much as digits as its factorization.

13907109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4635706.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 13907109 is about 3729.2236457472. The cubic root of 13907109 is about 240.4799942442.

The spelling of 13907109 in words is "thirteen million, nine hundred seven thousand, one hundred nine".