12519040 has 64 divisors (see below), whose sum is σ = 30942720. Its totient is φ = 4838400.

The previous prime is 12519037. The next prime is 12519041. The reversal of 12519040 is 4091521.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12519041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19525 + ... + 20155.

It is an arithmetic number, because the mean of its divisors is an integer number (483480).

Almost surely, 2^12519040 is an apocalyptic number.

12519040 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 12519040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15471360).

12519040 is an abundant number, since it is smaller than the sum of its proper divisors (18423680).

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

12519040 is an equidigital number, since it uses as much as digits as its factorization.

12519040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12519040 is about 3538.2255439697. The cubic root of 12519040 is about 232.1972163713.

The spelling of 12519040 in words is "twelve million, five hundred nineteen thousand, forty".