12433616 has 60 divisors (see below), whose sum is σ = 27360228. Its totient is φ = 5440512.

The previous prime is 12433609. The next prime is 12433627. The reversal of 12433616 is 61633421.

It can be written as a sum of positive squares in 2 ways, for example, as 846400 + 11587216 = 920^2 + 3404^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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 11 ways as a sum of consecutive naturals, for example, 109976 + ... + 110088.

Almost surely, 2^12433616 is an apocalyptic number.

12433616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12433616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13680114).

12433616 is an abundant number, since it is smaller than the sum of its proper divisors (14926612).

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

12433616 is a wasteful number, since it uses less digits than its factorization.

12433616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 151 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 12433616 is about 3526.1332929996. The cubic root of 12433616 is about 231.6678759375.

The spelling of 12433616 in words is "twelve million, four hundred thirty-three thousand, six hundred sixteen".