13343691 has 8 divisors (see below), whose sum is σ = 18838224. Its totient is φ = 8372480.

The previous prime is 13343647. The next prime is 13343731. The reversal of 13343691 is 19634331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13343691 - 2⁷ = 13343563 is a prime.

It is a super-4 number, since 4×13343691⁴ (a number of 30 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (13343621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130770 + ... + 130871.

It is an arithmetic number, because the mean of its divisors is an integer number (2354778).

Almost surely, 2^13343691 is an apocalyptic number.

13343691 is a deficient number, since it is larger than the sum of its proper divisors (5494533).

13343691 is a wasteful number, since it uses less digits than its factorization.

13343691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261661.

The product of its digits is 5832, while the sum is 30.

The square root of 13343691 is about 3652.9017232879. The cubic root of 13343691 is about 237.1876062654.

The spelling of 13343691 in words is "thirteen million, three hundred forty-three thousand, six hundred ninety-one".