12446397 has 12 divisors (see below), whose sum is σ = 19035900. Its totient is φ = 7809408.

The previous prime is 12446353. The next prime is 12446419. The reversal of 12446397 is 79364421.

12446397 is a `hidden beast` number, since 12 + 4 + 4 + 639 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3767481 + 8678916 = 1941^2 + 2946^2 .

It is not a de Polignac number, because 12446397 - 2¹² = 12442301 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12446327) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 40522 + ... + 40827.

It is an arithmetic number, because the mean of its divisors is an integer number (1586325).

Almost surely, 2^12446397 is an apocalyptic number.

12446397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12446397 is a deficient number, since it is larger than the sum of its proper divisors (6589503).

12446397 is a wasteful number, since it uses less digits than its factorization.

12446397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81372 (or 81369 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 12446397 is about 3527.9451526349. The cubic root of 12446397 is about 231.7472289094.

The spelling of 12446397 in words is "twelve million, four hundred forty-six thousand, three hundred ninety-seven".