11428583 has 4 divisors (see below), whose sum is σ = 11694408. Its totient is φ = 11162760.

The previous prime is 11428559. The next prime is 11428591. The reversal of 11428583 is 38582411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38582411 = 7 ⋅5511773.

It is a cyclic number.

It is not a de Polignac number, because 11428583 - 2¹⁴ = 11412199 is a prime.

It is a super-3 number, since 3×11428583³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132848 + ... + 132933.

It is an arithmetic number, because the mean of its divisors is an integer number (2923602).

Almost surely, 2^11428583 is an apocalyptic number.

11428583 is a deficient number, since it is larger than the sum of its proper divisors (265825).

11428583 is an equidigital number, since it uses as much as digits as its factorization.

11428583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265824.

The product of its digits is 7680, while the sum is 32.

The square root of 11428583 is about 3380.6187303510. The cubic root of 11428583 is about 225.2496521104.

The spelling of 11428583 in words is "eleven million, four hundred twenty-eight thousand, five hundred eighty-three".