13481655 has 16 divisors (see below), whose sum is σ = 23531904. Its totient is φ = 6536480.

The previous prime is 13481639. The next prime is 13481681. The reversal of 13481655 is 55618431.

13481655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13481655 - 2⁴ = 13481639 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40689 + ... + 41018.

It is an arithmetic number, because the mean of its divisors is an integer number (1470744).

Almost surely, 2^13481655 is an apocalyptic number.

13481655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13481655 is a deficient number, since it is larger than the sum of its proper divisors (10050249).

13481655 is a wasteful number, since it uses less digits than its factorization.

13481655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81726.

The product of its digits is 14400, while the sum is 33.

The square root of 13481655 is about 3671.7373272063. The cubic root of 13481655 is about 238.0022538214.

It can be divided in two parts, 1348 and 1655, that added together give a palindrome (3003).

The spelling of 13481655 in words is "thirteen million, four hundred eighty-one thousand, six hundred fifty-five".