13091707 has 4 divisors (see below), whose sum is σ = 13098960. Its totient is φ = 13084456.

The previous prime is 13091699. The next prime is 13091723. The reversal of 13091707 is 70719031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 70719031 = 17 ⋅4159943.

It is a cyclic number.

It is not a de Polignac number, because 13091707 - 2³ = 13091699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13091107) 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, 1458 + ... + 5320.

It is an arithmetic number, because the mean of its divisors is an integer number (3274740).

Almost surely, 2^13091707 is an apocalyptic number.

13091707 is a deficient number, since it is larger than the sum of its proper divisors (7253).

13091707 is an equidigital number, since it uses as much as digits as its factorization.

13091707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 13091707 is about 3618.2463984643. The cubic root of 13091707 is about 235.6850810116.

The spelling of 13091707 in words is "thirteen million, ninety-one thousand, seven hundred seven".