12804519 has 64 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 6082560.

The previous prime is 12804509. The next prime is 12804523. The reversal of 12804519 is 91540821.

It is a happy number.

12804519 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 12804519 - 2⁵ = 12804487 is a prime.

It is a super-2 number, since 2×12804519² = 327911413642722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12804509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143827 + ... + 143915.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

Almost surely, 2^12804519 is an apocalyptic number.

12804519 is a deficient number, since it is larger than the sum of its proper divisors (10419801).

12804519 is a wasteful number, since it uses less digits than its factorization.

12804519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 12804519 is about 3578.3402577173. The cubic root of 12804519 is about 233.9489442267.

The spelling of 12804519 in words is "twelve million, eight hundred four thousand, five hundred nineteen".