13671356 has 6 divisors (see below), whose sum is σ = 23924880. Its totient is φ = 6835676.

The previous prime is 13671353. The next prime is 13671373. The reversal of 13671356 is 65317631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13671353) by changing a digit.

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 as a sum of consecutive naturals, namely, 1708916 + ... + 1708923.

It is an arithmetic number, because the mean of its divisors is an integer number (3987480).

Almost surely, 2^13671356 is an apocalyptic number.

It is an amenable number.

13671356 is a deficient number, since it is larger than the sum of its proper divisors (10253524).

13671356 is a wasteful number, since it uses less digits than its factorization.

13671356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417843 (or 3417841 counting only the distinct ones).

The product of its digits is 11340, while the sum is 32.

The square root of 13671356 is about 3697.4796821619. The cubic root of 13671356 is about 239.1133720977.

Adding to 13671356 its reverse (65317631), we get a palindrome (78988987).

The spelling of 13671356 in words is "thirteen million, six hundred seventy-one thousand, three hundred fifty-six".