13639101 has 48 divisors (see below), whose sum is σ = 22675968. Its totient is φ = 7257600.

The previous prime is 13639091. The next prime is 13639103. The reversal of 13639101 is 10193631.

It is not a de Polignac number, because 13639101 - 2⁶ = 13639037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13639103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186801 + ... + 186873.

It is an arithmetic number, because the mean of its divisors is an integer number (472416).

Almost surely, 2^13639101 is an apocalyptic number.

It is an amenable number.

13639101 is a deficient number, since it is larger than the sum of its proper divisors (9036867).

13639101 is a wasteful number, since it uses less digits than its factorization.

13639101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 13639101 is about 3693.1153515697. The cubic root of 13639101 is about 238.9251762996.

The spelling of 13639101 in words is "thirteen million, six hundred thirty-nine thousand, one hundred one".