13670 has 8 divisors (see below), whose sum is σ = 24624. Its totient is φ = 5464.

The previous prime is 13669. The next prime is 13679. The reversal of 13670 is 7631.

13670 = 16² + 17² + ... + 35².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13679) 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, 674 + ... + 693.

It is an arithmetic number, because the mean of its divisors is an integer number (3078).

2¹³⁶⁷⁰ is an apocalyptic number.

13670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13670 is a deficient number, since it is larger than the sum of its proper divisors (10954).

13670 is a wasteful number, since it uses less digits than its factorization.

13670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 13670 is about 116.9187752245. The cubic root of 13670 is about 23.9105466311.

The spelling of 13670 in words is "thirteen thousand, six hundred seventy".