12293691 has 8 divisors (see below), whose sum is σ = 16418640. Its totient is φ = 8182272.

The previous prime is 12293663. The next prime is 12293713. The reversal of 12293691 is 19639221.

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

It is not a de Polignac number, because 12293691 - 2¹⁰ = 12292667 is a prime.

It is a super-2 number, since 2×12293691² = 302269676806962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12293641) 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, 1026 + ... + 5063.

It is an arithmetic number, because the mean of its divisors is an integer number (2052330).

Almost surely, 2^12293691 is an apocalyptic number.

12293691 is a deficient number, since it is larger than the sum of its proper divisors (4124949).

12293691 is an equidigital number, since it uses as much as digits as its factorization.

12293691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765.

The product of its digits is 5832, while the sum is 33.

The square root of 12293691 is about 3506.2360160149. The cubic root of 12293691 is about 230.7955500665.

The spelling of 12293691 in words is "twelve million, two hundred ninety-three thousand, six hundred ninety-one".