12293644 has 24 divisors (see below), whose sum is σ = 23579136. Its totient is φ = 5562000.

The previous prime is 12293641. The next prime is 12293663. The reversal of 12293644 is 44639221.

It is a happy number.

12293644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12293644² = 302267365597472, 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, 11409 + ... + 12439.

It is an arithmetic number, because the mean of its divisors is an integer number (982464).

Almost surely, 2^12293644 is an apocalyptic number.

It is an amenable number.

12293644 is a deficient number, since it is larger than the sum of its proper divisors (11285492).

12293644 is a wasteful number, since it uses less digits than its factorization.

12293644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1315 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 12293644 is about 3506.2293136645. The cubic root of 12293644 is about 230.7952559481.

The spelling of 12293644 in words is "twelve million, two hundred ninety-three thousand, six hundred forty-four".