13670356 has 12 divisors (see below), whose sum is σ = 27340768. Its totient is φ = 5858712.

The previous prime is 13670351. The next prime is 13670413. The reversal of 13670356 is 65307631.

13670356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

13670356 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13670351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244086 + ... + 244141.

Almost surely, 2^13670356 is an apocalyptic number.

It is an amenable number.

13670356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13670356 is a wasteful number, since it uses less digits than its factorization.

13670356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488238 (or 488236 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 13670356 is about 3697.3444524415. The cubic root of 13670356 is about 239.1075419225.

Adding to 13670356 its reverse (65307631), we get a palindrome (78977987).

The spelling of 13670356 in words is "thirteen million, six hundred seventy thousand, three hundred fifty-six".