11577428 has 12 divisors (see below), whose sum is σ = 20461812. Its totient is φ = 5731200.

The previous prime is 11577407. The next prime is 11577431. The reversal of 11577428 is 82477511.

It can be written as a sum of positive squares in 2 ways, for example, as 7300804 + 4276624 = 2702^2 + 2068^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13925 + ... + 14732.

It is an arithmetic number, because the mean of its divisors is an integer number (1705151).

Almost surely, 2^11577428 is an apocalyptic number.

It is an amenable number.

11577428 is a deficient number, since it is larger than the sum of its proper divisors (8884384).

11577428 is a wasteful number, since it uses less digits than its factorization.

11577428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28762 (or 28760 counting only the distinct ones).

The product of its digits is 15680, while the sum is 35.

The square root of 11577428 is about 3402.5619759234. The cubic root of 11577428 is about 226.2233154329.

The spelling of 11577428 in words is "eleven million, five hundred seventy-seven thousand, four hundred twenty-eight".