13250005 has 8 divisors (see below), whose sum is σ = 16238592. Its totient is φ = 10374288.

The previous prime is 13249997. The next prime is 13250009. The reversal of 13250005 is 50005231.

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

It is a cyclic number.

It is not a de Polignac number, because 13250005 - 2³ = 13249997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13250009) 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, 27957 + ... + 28426.

It is an arithmetic number, because the mean of its divisors is an integer number (2029824).

Almost surely, 2^13250005 is an apocalyptic number.

It is an amenable number.

13250005 is a deficient number, since it is larger than the sum of its proper divisors (2988587).

13250005 is an equidigital number, since it uses as much as digits as its factorization.

13250005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56435.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 13250005 is about 3640.0556314430. The cubic root of 13250005 is about 236.6312043231.

Adding to 13250005 its reverse (50005231), we get a palindrome (63255236).

The spelling of 13250005 in words is "thirteen million, two hundred fifty thousand, five".