13551606 has 12 divisors (see below), whose sum is σ = 29361852. Its totient is φ = 4517196.

The previous prime is 13551599. The next prime is 13551649. The reversal of 13551606 is 60615531.

It is a happy number.

13551606 is a `hidden beast` number, since 1 + 3 + 5 + 51 + 606 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13551606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 376416 + ... + 376451.

It is an arithmetic number, because the mean of its divisors is an integer number (2446821).

Almost surely, 2^13551606 is an apocalyptic number.

13551606 is an abundant number, since it is smaller than the sum of its proper divisors (15810246).

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

13551606 is a wasteful number, since it uses less digits than its factorization.

13551606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752875 (or 752872 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 13551606 is about 3681.2506027164. The cubic root of 13551606 is about 238.4131772629.

The spelling of 13551606 in words is "thirteen million, five hundred fifty-one thousand, six hundred six".