12293945 has 8 divisors (see below), whose sum is σ = 14774400. Its totient is φ = 9820720.

The previous prime is 12293927. The next prime is 12293947. The reversal of 12293945 is 54939221.

12293945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12293945 - 2⁶ = 12293881 is a prime.

It is a super-2 number, since 2×12293945² = 302282167326050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12293947) 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, 3206 + ... + 5904.

It is an arithmetic number, because the mean of its divisors is an integer number (1846800).

Almost surely, 2^12293945 is an apocalyptic number.

It is an amenable number.

12293945 is a deficient number, since it is larger than the sum of its proper divisors (2480455).

12293945 is an equidigital number, since it uses as much as digits as its factorization.

12293945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615.

The product of its digits is 19440, while the sum is 35.

The square root of 12293945 is about 3506.2722370061. The cubic root of 12293945 is about 230.7971395449.

The spelling of 12293945 in words is "twelve million, two hundred ninety-three thousand, nine hundred forty-five".