13281953 has 4 divisors (see below), whose sum is σ = 13411008. Its totient is φ = 13152900.

The previous prime is 13281941. The next prime is 13281967. The reversal of 13281953 is 35918231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13281953 - 2⁶ = 13281889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13281973) 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 3 ways as a sum of consecutive naturals, for example, 64373 + ... + 64578.

It is an arithmetic number, because the mean of its divisors is an integer number (3352752).

Almost surely, 2^13281953 is an apocalyptic number.

It is an amenable number.

13281953 is a deficient number, since it is larger than the sum of its proper divisors (129055).

13281953 is a wasteful number, since it uses less digits than its factorization.

13281953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129054.

The product of its digits is 6480, while the sum is 32.

The square root of 13281953 is about 3644.4413838063. The cubic root of 13281953 is about 236.8212376044.

The spelling of 13281953 in words is "thirteen million, two hundred eighty-one thousand, nine hundred fifty-three".