13551628 has 12 divisors (see below), whose sum is σ = 24049872. Its totient is φ = 6680240.

The previous prime is 13551599. The next prime is 13551649. The reversal of 13551628 is 82615531.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 13551628.

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, 23575 + ... + 24142.

It is an arithmetic number, because the mean of its divisors is an integer number (2004156).

Almost surely, 2^13551628 is an apocalyptic number.

It is an amenable number.

13551628 is a deficient number, since it is larger than the sum of its proper divisors (10498244).

13551628 is a wasteful number, since it uses less digits than its factorization.

13551628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47792 (or 47790 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 13551628 is about 3681.2535908302. The cubic root of 13551628 is about 238.4133062780.

The spelling of 13551628 in words is "thirteen million, five hundred fifty-one thousand, six hundred twenty-eight".