12293477 has 16 divisors (see below), whose sum is σ = 15171840. Its totient is φ = 9727872.

The previous prime is 12293467. The next prime is 12293497. The reversal of 12293477 is 77439221.

It is not a de Polignac number, because 12293477 - 2⁸ = 12293221 is a prime.

It is a super-2 number, since 2×12293477² = 302259153499058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12293447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3353 + ... + 5985.

It is an arithmetic number, because the mean of its divisors is an integer number (948240).

Almost surely, 2^12293477 is an apocalyptic number.

It is an amenable number.

12293477 is a deficient number, since it is larger than the sum of its proper divisors (2878363).

12293477 is a wasteful number, since it uses less digits than its factorization.

12293477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692.

The product of its digits is 21168, while the sum is 35.

The square root of 12293477 is about 3506.2054988263. The cubic root of 12293477 is about 230.7942108828.

The spelling of 12293477 in words is "twelve million, two hundred ninety-three thousand, four hundred seventy-seven".