13725005 has 8 divisors (see below), whose sum is σ = 18822912. Its totient is φ = 9411408.

The previous prime is 13724989. The next prime is 13725013. The reversal of 13725005 is 50052731.

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 13725005 - 2⁴ = 13724989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 196037 + ... + 196106.

It is an arithmetic number, because the mean of its divisors is an integer number (2352864).

Almost surely, 2^13725005 is an apocalyptic number.

It is an amenable number.

13725005 is a deficient number, since it is larger than the sum of its proper divisors (5097907).

13725005 is an equidigital number, since it uses as much as digits as its factorization.

13725005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392155.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 13725005 is about 3704.7273853821. The cubic root of 13725005 is about 239.4257393005.

Adding to 13725005 its reverse (50052731), we get a palindrome (63777736).

The spelling of 13725005 in words is "thirteen million, seven hundred twenty-five thousand, five".