13172285 has 8 divisors (see below), whose sum is σ = 18064896. Its totient is φ = 9032400.

The previous prime is 13172251. The next prime is 13172287. The reversal of 13172285 is 58227131.

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

It is not a de Polignac number, because 13172285 - 2⁶ = 13172221 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 (13172287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188141 + ... + 188210.

It is an arithmetic number, because the mean of its divisors is an integer number (2258112).

Almost surely, 2^13172285 is an apocalyptic number.

It is an amenable number.

13172285 is a deficient number, since it is larger than the sum of its proper divisors (4892611).

13172285 is an equidigital number, since it uses as much as digits as its factorization.

13172285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376363.

The product of its digits is 3360, while the sum is 29.

The square root of 13172285 is about 3629.3642694004. The cubic root of 13172285 is about 236.1676308318.

The spelling of 13172285 in words is "thirteen million, one hundred seventy-two thousand, two hundred eighty-five".