13670111 has 8 divisors (see below), whose sum is σ = 16824864. Its totient is φ = 10815840.

The previous prime is 13670099. The next prime is 13670117. The reversal of 13670111 is 11107631.

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

It is not a de Polignac number, because 13670111 - 2¹⁴ = 13653727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13670117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75020 + ... + 75201.

It is an arithmetic number, because the mean of its divisors is an integer number (2103108).

Almost surely, 2^13670111 is an apocalyptic number.

13670111 is a deficient number, since it is larger than the sum of its proper divisors (3154753).

13670111 is a wasteful number, since it uses less digits than its factorization.

13670111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150241.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 13670111 is about 3697.3113204057. The cubic root of 13670111 is about 239.1061134862.

Adding to 13670111 its reverse (11107631), we get a palindrome (24777742).

The spelling of 13670111 in words is "thirteen million, six hundred seventy thousand, one hundred eleven".