13670056 has 32 divisors (see below), whose sum is σ = 26671680. Its totient is φ = 6563200.

The previous prime is 13670011. The next prime is 13670071. The reversal of 13670056 is 65007631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22995 + ... + 23581.

It is an arithmetic number, because the mean of its divisors is an integer number (833490).

Almost surely, 2^13670056 is an apocalyptic number.

It is an amenable number.

13670056 is a deficient number, since it is larger than the sum of its proper divisors (13001624).

13670056 is a wasteful number, since it uses less digits than its factorization.

13670056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 13670056 is about 3697.3038825609. The cubic root of 13670056 is about 239.1057928145.

Adding to 13670056 its reverse (65007631), we get a palindrome (78677687).

The spelling of 13670056 in words is "thirteen million, six hundred seventy thousand, fifty-six".