13639055 has 8 divisors (see below), whose sum is σ = 17228400. Its totient is φ = 10336896.

The previous prime is 13639037. The next prime is 13639063. The reversal of 13639055 is 55093631.

13639055 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 13639055 - 2⁶ = 13638991 is a prime.

It is a congruent number.

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, 71690 + ... + 71879.

It is an arithmetic number, because the mean of its divisors is an integer number (2153550).

Almost surely, 2^13639055 is an apocalyptic number.

13639055 is a deficient number, since it is larger than the sum of its proper divisors (3589345).

13639055 is a wasteful number, since it uses less digits than its factorization.

13639055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143593.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 13639055 is about 3693.1091237601. The cubic root of 13639055 is about 238.9249076952.

The spelling of 13639055 in words is "thirteen million, six hundred thirty-nine thousand, fifty-five".