13639067 has 8 divisors (see below), whose sum is σ = 14728224. Its totient is φ = 12555648.

The previous prime is 13639063. The next prime is 13639079. The reversal of 13639067 is 76093631.

13639067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13639067 - 2² = 13639063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13639063) 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, 4418 + ... + 6840.

It is an arithmetic number, because the mean of its divisors is an integer number (1841028).

Almost surely, 2^13639067 is an apocalyptic number.

13639067 is a deficient number, since it is larger than the sum of its proper divisors (1089157).

13639067 is a wasteful number, since it uses less digits than its factorization.

13639067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 13639067 is about 3693.1107484071. The cubic root of 13639067 is about 238.9249777659.

The spelling of 13639067 in words is "thirteen million, six hundred thirty-nine thousand, sixty-seven".