12682291 has 12 divisors (see below), whose sum is σ = 13705320. Its totient is φ = 11735388.

The previous prime is 12682283. The next prime is 12682301. The reversal of 12682291 is 19228621.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 12682291 - 2³ = 12682283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12682261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294916 + ... + 294958.

It is an arithmetic number, because the mean of its divisors is an integer number (1142110).

Almost surely, 2^12682291 is an apocalyptic number.

12682291 is a deficient number, since it is larger than the sum of its proper divisors (1023029).

12682291 is an frugal number, since it uses more digits than its factorization.

12682291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 62 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 12682291 is about 3561.2204368727. The cubic root of 12682291 is about 233.2021614209.

The spelling of 12682291 in words is "twelve million, six hundred eighty-two thousand, two hundred ninety-one".