13251005 has 8 divisors (see below), whose sum is σ = 16007424. Its totient is φ = 10530000.

The previous prime is 13251001. The next prime is 13251019. The reversal of 13251005 is 50015231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13251005 - 2² = 13251001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13251001) 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 7 ways as a sum of consecutive naturals, for example, 8021 + ... + 9530.

It is an arithmetic number, because the mean of its divisors is an integer number (2000928).

Almost surely, 2^13251005 is an apocalyptic number.

It is an amenable number.

13251005 is a deficient number, since it is larger than the sum of its proper divisors (2756419).

13251005 is a wasteful number, since it uses less digits than its factorization.

13251005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17707.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 13251005 is about 3640.1929893894. The cubic root of 13251005 is about 236.6371571574.

Adding to 13251005 its reverse (50015231), we get a palindrome (63266236).

The spelling of 13251005 in words is "thirteen million, two hundred fifty-one thousand, five".