12598940 has 48 divisors (see below), whose sum is σ = 28123200. Its totient is φ = 4730880.

The previous prime is 12598939. The next prime is 12598951. The reversal of 12598940 is 4989521.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12598894 and 12598903.

It is a congruent number.

It is an unprimeable number.

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, 27836 + ... + 28284.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 2^12598940 is an apocalyptic number.

12598940 is a gapful number since it is divisible by the number (10) 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 12598940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14061600).

12598940 is an abundant number, since it is smaller than the sum of its proper divisors (15524260).

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

12598940 is a wasteful number, since it uses less digits than its factorization.

12598940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 12598940 is about 3549.4985561344. The cubic root of 12598940 is about 232.6901516055.

The spelling of 12598940 in words is "twelve million, five hundred ninety-eight thousand, nine hundred forty".