12423634 has 16 divisors (see below), whose sum is σ = 20590848. Its totient is φ = 5591872.

The previous prime is 12423623. The next prime is 12423643. The reversal of 12423634 is 43632421.

It is a junction number, because it is equal to n+sod(n) for n = 12423599 and 12423608.

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 7 ways as a sum of consecutive naturals, for example, 7162 + ... + 8725.

It is an arithmetic number, because the mean of its divisors is an integer number (1286928).

Almost surely, 2^12423634 is an apocalyptic number.

12423634 is a deficient number, since it is larger than the sum of its proper divisors (8167214).

12423634 is a wasteful number, since it uses less digits than its factorization.

12423634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15929.

The product of its digits is 3456, while the sum is 25.

The square root of 12423634 is about 3524.7175773386. The cubic root of 12423634 is about 231.6058631956.

The spelling of 12423634 in words is "twelve million, four hundred twenty-three thousand, six hundred thirty-four".