12519045 has 48 divisors (see below), whose sum is σ = 27061632. Its totient is φ = 5201280.

The previous prime is 12519041. The next prime is 12519047. The reversal of 12519045 is 54091521.

12519045 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12519045 - 2² = 12519041 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 1659 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (563784).

Almost surely, 2^12519045 is an apocalyptic number.

12519045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12519045 is an abundant number, since it is smaller than the sum of its proper divisors (14542587).

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

12519045 is a wasteful number, since it uses less digits than its factorization.

12519045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642 (or 3639 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 12519045 is about 3538.2262505385. The cubic root of 12519045 is about 232.1972472838.

It can be divided in two parts, 1251 and 9045, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 12519045 in words is "twelve million, five hundred nineteen thousand, forty-five".