13238961 has 16 divisors (see below), whose sum is σ = 18508416. Its totient is φ = 8401536.

The previous prime is 13238917. The next prime is 13238963. The reversal of 13238961 is 16983231.

It is a de Polignac number, because none of the positive numbers 2^k-13238961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13238963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21291 + ... + 21903.

It is an arithmetic number, because the mean of its divisors is an integer number (1156776).

Almost surely, 2^13238961 is an apocalyptic number.

It is an amenable number.

13238961 is a deficient number, since it is larger than the sum of its proper divisors (5269455).

13238961 is a wasteful number, since it uses less digits than its factorization.

13238961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952.

The product of its digits is 7776, while the sum is 33.

The square root of 13238961 is about 3638.5383054188. The cubic root of 13238961 is about 236.5654412928.

It can be divided in two parts, 132 and 38961, that added together give a palindrome (39093).

The spelling of 13238961 in words is "thirteen million, two hundred thirty-eight thousand, nine hundred sixty-one".