13043172 has 12 divisors (see below), whose sum is σ = 30434096. Its totient is φ = 4347720.

The previous prime is 13043171. The next prime is 13043183. The reversal of 13043172 is 27134031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13043171) 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 3 ways as a sum of consecutive naturals, for example, 543454 + ... + 543477.

Almost surely, 2^13043172 is an apocalyptic number.

13043172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13043172 is an abundant number, since it is smaller than the sum of its proper divisors (17390924).

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

13043172 is a wasteful number, since it uses less digits than its factorization.

13043172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086938 (or 1086936 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13043172 is about 3611.5331924267. The cubic root of 13043172 is about 235.3934678926.

The spelling of 13043172 in words is "thirteen million, forty-three thousand, one hundred seventy-two".