12246691 has 4 divisors (see below), whose sum is σ = 12300400. Its totient is φ = 12192984.

The previous prime is 12246683. The next prime is 12246721. The reversal of 12246691 is 19664221.

12246691 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19664221 = 19 ⋅1034959.

It is a cyclic number.

It is not a de Polignac number, because 12246691 - 2³ = 12246683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12246631) 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, 26511 + ... + 26968.

It is an arithmetic number, because the mean of its divisors is an integer number (3075100).

Almost surely, 2^12246691 is an apocalyptic number.

12246691 is a deficient number, since it is larger than the sum of its proper divisors (53709).

12246691 is an equidigital number, since it uses as much as digits as its factorization.

12246691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53708.

The product of its digits is 5184, while the sum is 31.

The square root of 12246691 is about 3499.5272537873. The cubic root of 12246691 is about 230.5010563614.

The spelling of 12246691 in words is "twelve million, two hundred forty-six thousand, six hundred ninety-one".