12446972 has 6 divisors (see below), whose sum is σ = 21782208. Its totient is φ = 6223484.

The previous prime is 12446947. The next prime is 12446999. The reversal of 12446972 is 27964421.

It is a super-2 number, since 2×12446972² = 309854223937568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555868 + ... + 1555875.

It is an arithmetic number, because the mean of its divisors is an integer number (3630368).

Almost surely, 2^12446972 is an apocalyptic number.

It is an amenable number.

12446972 is a deficient number, since it is larger than the sum of its proper divisors (9335236).

12446972 is a wasteful number, since it uses less digits than its factorization.

12446972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111747 (or 3111745 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 12446972 is about 3528.0266438903. The cubic root of 12446972 is about 231.7507976157.

The spelling of 12446972 in words is "twelve million, four hundred forty-six thousand, nine hundred seventy-two".