12890488 has 64 divisors (see below), whose sum is σ = 28848960. Its totient is φ = 5339136.

The previous prime is 12890483. The next prime is 12890489. The reversal of 12890488 is 88409821.

12890488 is nontrivially palindromic in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 12890488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12890483) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 40506 + ... + 40822.

It is an arithmetic number, because the mean of its divisors is an integer number (450765).

Almost surely, 2^12890488 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 12890488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14424480).

12890488 is an abundant number, since it is smaller than the sum of its proper divisors (15958472).

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

12890488 is a wasteful number, since it uses less digits than its factorization.

12890488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 12890488 is about 3590.3325751245. The cubic root of 12890488 is about 234.4713512706.

The spelling of 12890488 in words is "twelve million, eight hundred ninety thousand, four hundred eighty-eight".