13671315 has 128 divisors (see below), whose sum is σ = 31518720. Its totient is φ = 5474304.

The previous prime is 13671311. The next prime is 13671319. The reversal of 13671315 is 51317631.

13671315 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13671311) and next prime (13671319).

It is not a de Polignac number, because 13671315 - 2² = 13671311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13671311) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 369477 + ... + 369513.

It is an arithmetic number, because the mean of its divisors is an integer number (246240).

Almost surely, 2^13671315 is an apocalyptic number.

13671315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13671315 is an abundant number, since it is smaller than the sum of its proper divisors (17847405).

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

13671315 is a wasteful number, since it uses less digits than its factorization.

13671315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 92 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 13671315 is about 3697.4741378406. The cubic root of 13671315 is about 239.1131330661.

Adding to 13671315 its reverse (51317631), we get a palindrome (64988946).

The spelling of 13671315 in words is "thirteen million, six hundred seventy-one thousand, three hundred fifteen".