12594540 has 96 divisors (see below), whose sum is σ = 40771584. Its totient is φ = 2845440.

The previous prime is 12594539. The next prime is 12594563. The reversal of 12594540 is 4549521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12594498 and 12594507.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65845 + ... + 66035.

It is an arithmetic number, because the mean of its divisors is an integer number (424704).

Almost surely, 2^12594540 is an apocalyptic number.

12594540 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 12594540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20385792).

12594540 is an abundant number, since it is smaller than the sum of its proper divisors (28177044).

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

12594540 is a wasteful number, since it uses less digits than its factorization.

12594540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 12594540 is about 3548.8786961518. The cubic root of 12594540 is about 232.6630605466.

The spelling of 12594540 in words is "twelve million, five hundred ninety-four thousand, five hundred forty".