13072943 has 8 divisors (see below), whose sum is σ = 14238000. Its totient is φ = 11930688.

The previous prime is 13072937. The next prime is 13072957. The reversal of 13072943 is 34927031.

13072943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13072943 - 2⁸ = 13072687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13072933) 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, 4493 + ... + 6806.

It is an arithmetic number, because the mean of its divisors is an integer number (1779750).

Almost surely, 2^13072943 is an apocalyptic number.

13072943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13072943 is a deficient number, since it is larger than the sum of its proper divisors (1165057).

13072943 is a wasteful number, since it uses less digits than its factorization.

13072943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11401.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 13072943 is about 3615.6524998954. The cubic root of 13072943 is about 235.5724267596.

Adding to 13072943 its reverse (34927031), we get a palindrome (47999974).

The spelling of 13072943 in words is "thirteen million, seventy-two thousand, nine hundred forty-three".