12598780 has 12 divisors (see below), whose sum is σ = 26457480. Its totient is φ = 5039504.

The previous prime is 12598771. The next prime is 12598787. The reversal of 12598780 is 8789521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12598787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314950 + ... + 314989.

It is an arithmetic number, because the mean of its divisors is an integer number (2204790).

Almost surely, 2^12598780 is an apocalyptic number.

12598780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12598780 is an abundant number, since it is smaller than the sum of its proper divisors (13858700).

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

12598780 is a wasteful number, since it uses less digits than its factorization.

12598780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629948 (or 629946 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 12598780 is about 3549.4760176680. The cubic root of 12598780 is about 232.6891665866.

The spelling of 12598780 in words is "twelve million, five hundred ninety-eight thousand, seven hundred eighty".