13100443 has 16 divisors (see below), whose sum is σ = 14394240. Its totient is φ = 11880000.

The previous prime is 13100401. The next prime is 13100459. The reversal of 13100443 is 34400131.

It is a cyclic number.

It is not a de Polignac number, because 13100443 - 2¹⁷ = 12969371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13101443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52068 + ... + 52318.

It is an arithmetic number, because the mean of its divisors is an integer number (899640).

Almost surely, 2^13100443 is an apocalyptic number.

13100443 is a deficient number, since it is larger than the sum of its proper divisors (1293797).

13100443 is a wasteful number, since it uses less digits than its factorization.

13100443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13100443 is about 3619.4534117737. The cubic root of 13100443 is about 235.7374929969.

Adding to 13100443 its reverse (34400131), we get a palindrome (47500574).

The spelling of 13100443 in words is "thirteen million, one hundred thousand, four hundred forty-three".