13842691 has 4 divisors (see below), whose sum is σ = 13852384. Its totient is φ = 13833000.

The previous prime is 13842683. The next prime is 13842701. The reversal of 13842691 is 19624831.

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: 19624831 = 227 ⋅86453.

It is a cyclic number.

It is not a de Polignac number, because 13842691 - 2³ = 13842683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13842601) 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, 2235 + ... + 5716.

It is an arithmetic number, because the mean of its divisors is an integer number (3463096).

Almost surely, 2^13842691 is an apocalyptic number.

13842691 is a deficient number, since it is larger than the sum of its proper divisors (9693).

13842691 is an equidigital number, since it uses as much as digits as its factorization.

13842691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9692.

The product of its digits is 10368, while the sum is 34.

The square root of 13842691 is about 3720.5767026094. The cubic root of 13842691 is about 240.1081167968.

The spelling of 13842691 in words is "thirteen million, eight hundred forty-two thousand, six hundred ninety-one".