13142185 has 16 divisors (see below), whose sum is σ = 18230400. Its totient is φ = 8908416.

The previous prime is 13142183. The next prime is 13142189. The reversal of 13142185 is 58124131.

It is a cyclic number.

It is not a de Polignac number, because 13142185 - 2¹ = 13142183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13142183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006 + ... + 5224.

It is an arithmetic number, because the mean of its divisors is an integer number (1139400).

Almost surely, 2^13142185 is an apocalyptic number.

It is an amenable number.

13142185 is a deficient number, since it is larger than the sum of its proper divisors (5088215).

13142185 is an equidigital number, since it uses as much as digits as its factorization.

13142185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320.

The product of its digits is 960, while the sum is 25.

The square root of 13142185 is about 3625.2151660281. The cubic root of 13142185 is about 235.9876046827.

The spelling of 13142185 in words is "thirteen million, one hundred forty-two thousand, one hundred eighty-five".