11573628 has 24 divisors (see below), whose sum is σ = 29460480. Its totient is φ = 3507120.

The previous prime is 11573621. The next prime is 11573659. The reversal of 11573628 is 82637511.

11573628 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11573621) 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, 43708 + ... + 43971.

It is an arithmetic number, because the mean of its divisors is an integer number (1227520).

Almost surely, 2^11573628 is an apocalyptic number.

It is an amenable number.

11573628 is an abundant number, since it is smaller than the sum of its proper divisors (17886852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11573628 is a wasteful number, since it uses less digits than its factorization.

11573628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87697 (or 87695 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 11573628 is about 3402.0035273350. The cubic root of 11573628 is about 226.1985620171.

The spelling of 11573628 in words is "eleven million, five hundred seventy-three thousand, six hundred twenty-eight".