12446993 has 8 divisors (see below), whose sum is σ = 13431936. Its totient is φ = 11466000.

The previous prime is 12446947. The next prime is 12446999. The reversal of 12446993 is 39964421.

12446993 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 a de Polignac number, because none of the positive numbers 2^k-12446993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12446999) 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, 11318 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (1678992).

Almost surely, 2^12446993 is an apocalyptic number.

12446993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12446993 is a deficient number, since it is larger than the sum of its proper divisors (984943).

12446993 is a wasteful number, since it uses less digits than its factorization.

12446993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975.

The product of its digits is 46656, while the sum is 38.

The square root of 12446993 is about 3528.0296200571. The cubic root of 12446993 is about 231.7509279490.

The spelling of 12446993 in words is "twelve million, four hundred forty-six thousand, nine hundred ninety-three".