12299904 has 64 divisors (see below), whose sum is σ = 36312000. Its totient is φ = 4098816.

The previous prime is 12299899. The next prime is 12299923. The reversal of 12299904 is 40999221.

12299904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677 + ... + 5235.

It is an arithmetic number, because the mean of its divisors is an integer number (567375).

Almost surely, 2^12299904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12299904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18156000).

12299904 is an abundant number, since it is smaller than the sum of its proper divisors (24012096).

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

12299904 is an equidigital number, since it uses as much as digits as its factorization.

12299904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582 (or 3564 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 12299904 is about 3507.1218969406. The cubic root of 12299904 is about 230.8344234274.

It can be divided in two parts, 12299 and 904, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 12299904 in words is "twelve million, two hundred ninety-nine thousand, nine hundred four".