13428519 has 8 divisors (see below), whose sum is σ = 19282032. Its totient is φ = 8263680.

The previous prime is 13428509. The next prime is 13428529. The reversal of 13428519 is 91582431.

13428519 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13428509) and next prime (13428529).

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

It is not a de Polignac number, because 13428519 - 2⁸ = 13428263 is a prime.

It is a super-2 number, since 2×13428519² = 360650245066722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13428519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13428509) 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, 172122 + ... + 172199.

It is an arithmetic number, because the mean of its divisors is an integer number (2410254).

Almost surely, 2^13428519 is an apocalyptic number.

13428519 is a deficient number, since it is larger than the sum of its proper divisors (5853513).

13428519 is a wasteful number, since it uses less digits than its factorization.

13428519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344337.

The product of its digits is 8640, while the sum is 33.

The square root of 13428519 is about 3664.4943716698. The cubic root of 13428519 is about 237.6891582604.

The spelling of 13428519 in words is "thirteen million, four hundred twenty-eight thousand, five hundred nineteen".