12519378 has 48 divisors (see below), whose sum is σ = 29012256. Its totient is φ = 3888000.

The previous prime is 12519349. The next prime is 12519379. The reversal of 12519378 is 87391521.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12519379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49753 + ... + 50003.

It is an arithmetic number, because the mean of its divisors is an integer number (604422).

Almost surely, 2^12519378 is an apocalyptic number.

12519378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12519378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14506128).

12519378 is an abundant number, since it is smaller than the sum of its proper divisors (16492878).

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

12519378 is a wasteful number, since it uses less digits than its factorization.

12519378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 436 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 12519378 is about 3538.2733077025. The cubic root of 12519378 is about 232.1993060403.

It can be divided in two parts, 125 and 19378, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 12519378 in words is "twelve million, five hundred nineteen thousand, three hundred seventy-eight".