6123691 has 4 divisors (see below), whose sum is σ = 6998512. Its totient is φ = 5248872.

The previous prime is 6123683. The next prime is 6123703. The reversal of 6123691 is 1963216.

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 6123691 - 2³ = 6123683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6123631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437400 + ... + 437413.

It is an arithmetic number, because the mean of its divisors is an integer number (1749628).

Almost surely, 2^6123691 is an apocalyptic number.

6123691 is a deficient number, since it is larger than the sum of its proper divisors (874821).

6123691 is an equidigital number, since it uses as much as digits as its factorization.

6123691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874820.

The product of its digits is 1944, while the sum is 28.

The square root of 6123691 is about 2474.6092620856. The cubic root of 6123691 is about 182.9522504741.

The spelling of 6123691 in words is "six million, one hundred twenty-three thousand, six hundred ninety-one".