12028519 has 8 divisors (see below), whose sum is σ = 12355200. Its totient is φ = 11704056.

The previous prime is 12028493. The next prime is 12028531. The reversal of 12028519 is 91582021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12028519 - 2⁵ = 12028487 is a prime.

It is a super-2 number, since 2×12028519² = 289370538666722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12028559) 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, 19782 + ... + 20380.

It is an arithmetic number, because the mean of its divisors is an integer number (1544400).

Almost surely, 2^12028519 is an apocalyptic number.

12028519 is a deficient number, since it is larger than the sum of its proper divisors (326681).

12028519 is an equidigital number, since it uses as much as digits as its factorization.

12028519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 12028519 is about 3468.2155354015. The cubic root of 12028519 is about 229.1240722746.

The spelling of 12028519 in words is "twelve million, twenty-eight thousand, five hundred nineteen".