13138671 has 64 divisors (see below), whose sum is σ = 24192000. Its totient is φ = 6137856.

The previous prime is 13138639. The next prime is 13138673. The reversal of 13138671 is 17683131.

It is not a de Polignac number, because 13138671 - 2⁵ = 13138639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13138673) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88105 + ... + 88253.

It is an arithmetic number, because the mean of its divisors is an integer number (378000).

Almost surely, 2^13138671 is an apocalyptic number.

13138671 is a deficient number, since it is larger than the sum of its proper divisors (11053329).

13138671 is a wasteful number, since it uses less digits than its factorization.

13138671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208.

The product of its digits is 3024, while the sum is 30.

The square root of 13138671 is about 3624.7304727386. The cubic root of 13138671 is about 235.9665697644.

The spelling of 13138671 in words is "thirteen million, one hundred thirty-eight thousand, six hundred seventy-one".