12604416 has 88 divisors (see below), whose sum is σ = 36747744. Its totient is φ = 3809280.

The previous prime is 12604409. The next prime is 12604421. The reversal of 12604416 is 61440621.

It is a tau number, because it is divible by the number of its divisors (88).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33606 + ... + 33978.

It is an arithmetic number, because the mean of its divisors is an integer number (417588).

Almost surely, 2^12604416 is an apocalyptic number.

12604416 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 12604416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18373872).

12604416 is an abundant number, since it is smaller than the sum of its proper divisors (24143328).

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

12604416 is a wasteful number, since it uses less digits than its factorization.

12604416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12604416 is about 3550.2698488988. The cubic root of 12604416 is about 232.7238588514.

The spelling of 12604416 in words is "twelve million, six hundred four thousand, four hundred sixteen".