12423685 has 8 divisors (see below), whose sum is σ = 15785496. Its totient is φ = 9354240.

The previous prime is 12423673. The next prime is 12423713. The reversal of 12423685 is 58632421.

It can be written as a sum of positive squares in 4 ways, for example, as 3932289 + 8491396 = 1983^2 + 2914^2 .

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

It is not a de Polignac number, because 12423685 - 2¹¹ = 12421637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72996 + ... + 73165.

It is an arithmetic number, because the mean of its divisors is an integer number (1973187).

Almost surely, 2^12423685 is an apocalyptic number.

It is an amenable number.

12423685 is a deficient number, since it is larger than the sum of its proper divisors (3361811).

12423685 is a wasteful number, since it uses less digits than its factorization.

12423685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146183.

The product of its digits is 11520, while the sum is 31.

The square root of 12423685 is about 3524.7248119534. The cubic root of 12423685 is about 231.6061801153.

The spelling of 12423685 in words is "twelve million, four hundred twenty-three thousand, six hundred eighty-five".