13671155 has 16 divisors (see below), whose sum is σ = 17059584. Its totient is φ = 10506240.

The previous prime is 13671143. The next prime is 13671173. The reversal of 13671155 is 55117631.

It is not a de Polignac number, because 13671155 - 2¹⁶ = 13605619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29687 + ... + 30143.

It is an arithmetic number, because the mean of its divisors is an integer number (1066224).

Almost surely, 2^13671155 is an apocalyptic number.

13671155 is a deficient number, since it is larger than the sum of its proper divisors (3388429).

13671155 is a wasteful number, since it uses less digits than its factorization.

13671155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686.

The product of its digits is 3150, while the sum is 29.

The square root of 13671155 is about 3697.4525013852. The cubic root of 13671155 is about 239.1122002553.

Adding to 13671155 its reverse (55117631), we get a palindrome (68788786).

The spelling of 13671155 in words is "thirteen million, six hundred seventy-one thousand, one hundred fifty-five".