13238711 has 16 divisors (see below), whose sum is σ = 14265504. Its totient is φ = 12265344.

The previous prime is 13238689. The next prime is 13238717. The reversal of 13238711 is 11783231.

It is a cyclic number.

It is not a de Polignac number, because 13238711 - 2¹⁴ = 13222327 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13238717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84245 + ... + 84401.

It is an arithmetic number, because the mean of its divisors is an integer number (891594).

Almost surely, 2^13238711 is an apocalyptic number.

13238711 is a deficient number, since it is larger than the sum of its proper divisors (1026793).

13238711 is a wasteful number, since it uses less digits than its factorization.

13238711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290.

The product of its digits is 1008, while the sum is 26.

The square root of 13238711 is about 3638.5039508018. The cubic root of 13238711 is about 236.5639522098.

The spelling of 13238711 in words is "thirteen million, two hundred thirty-eight thousand, seven hundred eleven".