13655404 has 48 divisors (see below), whose sum is σ = 28788480. Its totient is φ = 5544000.

The previous prime is 13655401. The next prime is 13655417. The reversal of 13655404 is 40455631.

13655404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13655401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54279 + ... + 54529.

It is an arithmetic number, because the mean of its divisors is an integer number (599760).

Almost surely, 2^13655404 is an apocalyptic number.

13655404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13655404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14394240).

13655404 is an abundant number, since it is smaller than the sum of its proper divisors (15133076).

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

13655404 is a wasteful number, since it uses less digits than its factorization.

13655404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 13655404 is about 3695.3219074933. The cubic root of 13655404 is about 239.0203352153.

The spelling of 13655404 in words is "thirteen million, six hundred fifty-five thousand, four hundred four".