13915055 has 32 divisors (see below), whose sum is σ = 21288960. Its totient is φ = 8478720.

The previous prime is 13915043. The next prime is 13915081. The reversal of 13915055 is 55051931.

It is a happy number.

It is not a de Polignac number, because 13915055 - 2¹⁰ = 13914031 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17711 + ... + 18479.

It is an arithmetic number, because the mean of its divisors is an integer number (665280).

Almost surely, 2^13915055 is an apocalyptic number.

13915055 is a deficient number, since it is larger than the sum of its proper divisors (7373905).

13915055 is a wasteful number, since it uses less digits than its factorization.

13915055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839.

The product of its (nonzero) digits is 3375, while the sum is 29.

The square root of 13915055 is about 3730.2888628094. The cubic root of 13915055 is about 240.5257859377.

Adding to 13915055 its reverse (55051931), we get a palindrome (68966986).

It can be divided in two parts, 1391 and 5055, that added together give a palindrome (6446).

The spelling of 13915055 in words is "thirteen million, nine hundred fifteen thousand, fifty-five".