12293919 has 12 divisors (see below), whose sum is σ = 19372392. Its totient is φ = 7450800.

The previous prime is 12293909. The next prime is 12293923. The reversal of 12293919 is 91939221.

It is a happy number.

It is not a de Polignac number, because 12293919 - 2⁷ = 12293791 is a prime.

It is a super-2 number, since 2×12293919² = 302280888757122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12293909) 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, 61992 + ... + 62189.

It is an arithmetic number, because the mean of its divisors is an integer number (1614366).

Almost surely, 2^12293919 is an apocalyptic number.

12293919 is a deficient number, since it is larger than the sum of its proper divisors (7078473).

12293919 is a wasteful number, since it uses less digits than its factorization.

12293919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124198 (or 124195 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 12293919 is about 3506.2685293628. The cubic root of 12293919 is about 230.7969768434.

The spelling of 12293919 in words is "twelve million, two hundred ninety-three thousand, nine hundred nineteen".