13185452 has 24 divisors (see below), whose sum is σ = 26455296. Its totient is φ = 5632848.

The previous prime is 13185451. The next prime is 13185461. The reversal of 13185452 is 25458131.

It is a super-2 number, since 2×13185452² = 347712288888608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13185451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11873 + ... + 12935.

It is an arithmetic number, because the mean of its divisors is an integer number (1102304).

Almost surely, 2^13185452 is an apocalyptic number.

It is an amenable number.

13185452 is an abundant number, since it is smaller than the sum of its proper divisors (13269844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13185452 is a wasteful number, since it uses less digits than its factorization.

13185452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517 (or 1515 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 13185452 is about 3631.1777703660. The cubic root of 13185452 is about 236.2462955850.

The spelling of 13185452 in words is "thirteen million, one hundred eighty-five thousand, four hundred fifty-two".