12443725 has 24 divisors (see below), whose sum is σ = 17770688. Its totient is φ = 8467200.

The previous prime is 12443719. The next prime is 12443731. The reversal of 12443725 is 52734421.

It is an interprime number because it is at equal distance from previous prime (12443719) and next prime (12443731).

It is not a de Polignac number, because 12443725 - 2⁵ = 12443693 is a prime.

It is a Duffinian number.

Its product of digits (6720) is a multiple of the sum of its prime divisors (560).

It is a junction number, because it is equal to n+sod(n) for n = 12443693 and 12443702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36757 + ... + 37093.

Almost surely, 2^12443725 is an apocalyptic number.

It is an amenable number.

12443725 is a deficient number, since it is larger than the sum of its proper divisors (5326963).

12443725 is a wasteful number, since it uses less digits than its factorization.

12443725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 560 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 12443725 is about 3527.5664416138. The cubic root of 12443725 is about 231.7306438444.

The spelling of 12443725 in words is "twelve million, four hundred forty-three thousand, seven hundred twenty-five".