12894091 has 8 divisors (see below), whose sum is σ = 14867424. Its totient is φ = 10953600.

The previous prime is 12894071. The next prime is 12894107. The reversal of 12894091 is 19049821.

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

It is not a de Polignac number, because 12894091 - 2⁵ = 12894059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12894001) 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, 7360 + ... + 8941.

It is an arithmetic number, because the mean of its divisors is an integer number (1858428).

Almost surely, 2^12894091 is an apocalyptic number.

12894091 is a deficient number, since it is larger than the sum of its proper divisors (1973333).

12894091 is a wasteful number, since it uses less digits than its factorization.

12894091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16421.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 12894091 is about 3590.8343041694. The cubic root of 12894091 is about 234.4931948083.

The spelling of 12894091 in words is "twelve million, eight hundred ninety-four thousand, ninety-one".