13572143 has 16 divisors (see below), whose sum is σ = 15146880. Its totient is φ = 12082176.

The previous prime is 13572131. The next prime is 13572151. The reversal of 13572143 is 34127531.

It is a cyclic number.

It is not a de Polignac number, because 13572143 - 2⁴ = 13572127 is a prime.

It is a super-2 number, since 2×13572143² = 368406131224898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13572173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59153 + ... + 59381.

It is an arithmetic number, because the mean of its divisors is an integer number (946680).

Almost surely, 2^13572143 is an apocalyptic number.

13572143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13572143 is a deficient number, since it is larger than the sum of its proper divisors (1574737).

13572143 is a wasteful number, since it uses less digits than its factorization.

13572143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386.

The product of its digits is 2520, while the sum is 26.

The square root of 13572143 is about 3684.0389520199. The cubic root of 13572143 is about 238.5335521742.

Adding to 13572143 its reverse (34127531), we get a palindrome (47699674).

The spelling of 13572143 in words is "thirteen million, five hundred seventy-two thousand, one hundred forty-three".