11428573 has 8 divisors (see below), whose sum is σ = 13031928. Its totient is φ = 9928704.

The previous prime is 11428559. The next prime is 11428591. The reversal of 11428573 is 37582411.

It can be written as a sum of positive squares in 4 ways, for example, as 2022084 + 9406489 = 1422^2 + 3067^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11428573 is a prime.

It is a super-2 number, since 2×11428573² = 261224561632658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428273) 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, 25636 + ... + 26077.

It is an arithmetic number, because the mean of its divisors is an integer number (1628991).

Almost surely, 2^11428573 is an apocalyptic number.

11428573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11428573 is a deficient number, since it is larger than the sum of its proper divisors (1603355).

11428573 is a wasteful number, since it uses less digits than its factorization.

11428573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51743.

The product of its digits is 6720, while the sum is 31.

The square root of 11428573 is about 3380.6172513315. The cubic root of 11428573 is about 225.2495864127.

The spelling of 11428573 in words is "eleven million, four hundred twenty-eight thousand, five hundred seventy-three".