11428519 has 8 divisors (see below), whose sum is σ = 12176640. Its totient is φ = 10695096.

The previous prime is 11428517. The next prime is 11428531. The reversal of 11428519 is 91582411.

It is a happy number.

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 11428519 - 2¹ = 11428517 is a prime.

It is a super-2 number, since 2×11428519² = 261222093066722, 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 (11428511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047 + ... + 5200.

It is an arithmetic number, because the mean of its divisors is an integer number (1522080).

Almost surely, 2^11428519 is an apocalyptic number.

11428519 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11428519 is a deficient number, since it is larger than the sum of its proper divisors (748121).

11428519 is an equidigital number, since it uses as much as digits as its factorization.

11428519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7349.

The product of its digits is 2880, while the sum is 31.

The square root of 11428519 is about 3380.6092646149. The cubic root of 11428519 is about 225.2492316441.

The spelling of 11428519 in words is "eleven million, four hundred twenty-eight thousand, five hundred nineteen".