12623562 has 48 divisors (see below), whose sum is σ = 32909760. Its totient is φ = 3416256.

The previous prime is 12623557. The next prime is 12623579. The reversal of 12623562 is 26532621.

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 23 ways as a sum of consecutive naturals, for example, 243 + ... + 5030.

It is an arithmetic number, because the mean of its divisors is an integer number (685620).

Almost surely, 2^12623562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12623562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16454880).

12623562 is an abundant number, since it is smaller than the sum of its proper divisors (20286198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12623562 is a wasteful number, since it uses less digits than its factorization.

12623562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307 (or 5304 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 12623562 is about 3552.9652404717. The cubic root of 12623562 is about 232.8416344213.

The spelling of 12623562 in words is "twelve million, six hundred twenty-three thousand, five hundred sixty-two".