13276691 has 4 divisors (see below), whose sum is σ = 13299384. Its totient is φ = 13254000.

The previous prime is 13276657. The next prime is 13276699. The reversal of 13276691 is 19667231.

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 13276691 - 2¹⁴ = 13260307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13276699) 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, 10445 + ... + 11646.

It is an arithmetic number, because the mean of its divisors is an integer number (3324846).

Almost surely, 2^13276691 is an apocalyptic number.

13276691 is a deficient number, since it is larger than the sum of its proper divisors (22693).

13276691 is an equidigital number, since it uses as much as digits as its factorization.

13276691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22692.

The product of its digits is 13608, while the sum is 35.

The square root of 13276691 is about 3643.7193909521. The cubic root of 13276691 is about 236.7899591231.

The spelling of 13276691 in words is "thirteen million, two hundred seventy-six thousand, six hundred ninety-one".