12521088 has 64 divisors (see below), whose sum is σ = 36964800. Its totient is φ = 4172544.

The previous prime is 12521087. The next prime is 12521099. The reversal of 12521088 is 88012521.

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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12521081) 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 7 ways as a sum of consecutive naturals, for example, 1645 + ... + 5267.

It is an arithmetic number, because the mean of its divisors is an integer number (577575).

Almost surely, 2^12521088 is an apocalyptic number.

12521088 is a gapful number since it is divisible by the number (18) 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 12521088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18482400).

12521088 is an abundant number, since it is smaller than the sum of its proper divisors (24443712).

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

12521088 is an equidigital number, since it uses as much as digits as its factorization.

12521088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 12521088 is about 3538.5149427408. The cubic root of 12521088 is about 232.2098774584.

The spelling of 12521088 in words is "twelve million, five hundred twenty-one thousand, eighty-eight".