13100043 has 8 divisors (see below), whose sum is σ = 19054656. Its totient is φ = 7939400.

The previous prime is 13100039. The next prime is 13100051. The reversal of 13100043 is 34000131.

13100043 is digitally balanced in base 2, 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 13100043 - 2² = 13100039 is a prime.

It is a super-2 number, since 2×13100043² = 343222253203698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13100023) 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, 198453 + ... + 198518.

It is an arithmetic number, because the mean of its divisors is an integer number (2381832).

Almost surely, 2^13100043 is an apocalyptic number.

13100043 is a deficient number, since it is larger than the sum of its proper divisors (5954613).

13100043 is a wasteful number, since it uses less digits than its factorization.

13100043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396985.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13100043 is about 3619.3981543898. The cubic root of 13100043 is about 235.7350936898.

Adding to 13100043 its reverse (34000131), we get a palindrome (47100174).

The spelling of 13100043 in words is "thirteen million, one hundred thousand, forty-three".