13172043 has 8 divisors (see below), whose sum is σ = 17582800. Its totient is φ = 8771328.

The previous prime is 13172023. The next prime is 13172051. The reversal of 13172043 is 34027131.

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

It is not a de Polignac number, because 13172043 - 2¹³ = 13163851 is a prime.

It is a Duffinian number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (13172023) 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, 1443 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (2197850).

Almost surely, 2^13172043 is an apocalyptic number.

13172043 is a deficient number, since it is larger than the sum of its proper divisors (4410757).

13172043 is a wasteful number, since it uses less digits than its factorization.

13172043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021.

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

The square root of 13172043 is about 3629.3309300751. The cubic root of 13172043 is about 236.1661845397.

Adding to 13172043 its reverse (34027131), we get a palindrome (47199174).

The spelling of 13172043 in words is "thirteen million, one hundred seventy-two thousand, forty-three".