13550886 has 24 divisors (see below), whose sum is σ = 29649360. Its totient is φ = 4472496.

The previous prime is 13550863. The next prime is 13550893. The reversal of 13550886 is 68805531.

13550886 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 super-2 number, since 2×13550886² = 367253022769992, which contains 22 as substring.

It is a Curzon number.

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 13550886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1801 + ... + 5508.

It is an arithmetic number, because the mean of its divisors is an integer number (1235390).

Almost surely, 2^13550886 is an apocalyptic number.

13550886 is an abundant number, since it is smaller than the sum of its proper divisors (16098474).

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

13550886 is a wasteful number, since it uses less digits than its factorization.

13550886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7420 (or 7417 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 13550886 is about 3681.1528085642. The cubic root of 13550886 is about 238.4089548721.

It can be divided in two parts, 1355088 and 6, that multiplied together give a triangular number (8130528 = T₄₀₃₂).

The spelling of 13550886 in words is "thirteen million, five hundred fifty thousand, eight hundred eighty-six".