13555628 has 6 divisors (see below), whose sum is σ = 23722356. Its totient is φ = 6777812.

The previous prime is 13555601. The next prime is 13555631. The reversal of 13555628 is 82655531.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1694450 + ... + 1694457.

It is an arithmetic number, because the mean of its divisors is an integer number (3953726).

Almost surely, 2^13555628 is an apocalyptic number.

It is an amenable number.

13555628 is a deficient number, since it is larger than the sum of its proper divisors (10166728).

13555628 is a wasteful number, since it uses less digits than its factorization.

13555628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388911 (or 3388909 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 13555628 is about 3681.7968439337. The cubic root of 13555628 is about 238.4367612560.

The spelling of 13555628 in words is "thirteen million, five hundred fifty-five thousand, six hundred twenty-eight".