12599040 has 144 divisors (see below), whose sum is σ = 42825888. Its totient is φ = 3145728.

The previous prime is 12599017. The next prime is 12599047. The reversal of 12599040 is 4099521.

It is a happy number.

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

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 12598989 and 12599007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12599047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65184 + ... + 65376.

It is an arithmetic number, because the mean of its divisors is an integer number (297402).

Almost surely, 2^12599040 is an apocalyptic number.

12599040 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 12599040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21412944).

12599040 is an abundant number, since it is smaller than the sum of its proper divisors (30226848).

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

12599040 is a wasteful number, since it uses less digits than its factorization.

12599040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 12599040 is about 3549.5126426032. The cubic root of 12599040 is about 232.6907672381.

The spelling of 12599040 in words is "twelve million, five hundred ninety-nine thousand, forty".