13873554 has 72 divisors (see below), whose sum is σ = 33126912. Its totient is φ = 4189680.

The previous prime is 13873543. The next prime is 13873583. The reversal of 13873554 is 45537831.

13873554 is a `hidden beast` number, since 1 + 38 + 73 + 554 = 666.

13873554 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 zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 295159 + ... + 295205.

It is an arithmetic number, because the mean of its divisors is an integer number (460096).

Almost surely, 2^13873554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13873554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16563456).

13873554 is an abundant number, since it is smaller than the sum of its proper divisors (19253358).

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

13873554 is a wasteful number, since it uses less digits than its factorization.

13873554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 106 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 13873554 is about 3724.7220030494. The cubic root of 13873554 is about 240.2864288578.

The spelling of 13873554 in words is "thirteen million, eight hundred seventy-three thousand, five hundred fifty-four".