12055904 has 48 divisors (see below), whose sum is σ = 27433728. Its totient is φ = 5108352.

The previous prime is 12055903. The next prime is 12055919. The reversal of 12055904 is 40955021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23717 + ... + 24219.

It is an arithmetic number, because the mean of its divisors is an integer number (571536).

Almost surely, 2^12055904 is an apocalyptic number.

12055904 is a gapful number since it is divisible by the number (14) 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 12055904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13716864).

12055904 is an abundant number, since it is smaller than the sum of its proper divisors (15377824).

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

12055904 is a wasteful number, since it uses less digits than its factorization.

12055904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 12055904 is about 3472.1612865764. The cubic root of 12055904 is about 229.2978206534.

The spelling of 12055904 in words is "twelve million, fifty-five thousand, nine hundred four".