11428628 has 12 divisors (see below), whose sum is σ = 20066592. Its totient is φ = 5695320.

The previous prime is 11428621. The next prime is 11428649. The reversal of 11428628 is 82682411.

It is a happy number.

It is a super-2 number, since 2×11428628² = 261227075924768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11428594 and 11428603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3350 + ... + 5837.

It is an arithmetic number, because the mean of its divisors is an integer number (1672216).

Almost surely, 2^11428628 is an apocalyptic number.

It is an amenable number.

11428628 is a deficient number, since it is larger than the sum of its proper divisors (8637964).

11428628 is a wasteful number, since it uses less digits than its factorization.

11428628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502 (or 9500 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 11428628 is about 3380.6253859308. The cubic root of 11428628 is about 225.2499477499.

The spelling of 11428628 in words is "eleven million, four hundred twenty-eight thousand, six hundred twenty-eight".