13100047 has 4 divisors (see below), whose sum is σ = 13870656. Its totient is φ = 12329440.

The previous prime is 13100039. The next prime is 13100051. The reversal of 13100047 is 74000131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13100047 - 2³ = 13100039 is a prime.

It is a super-2 number, since 2×13100047² = 343222462804418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13100047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100027) 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 3 ways as a sum of consecutive naturals, for example, 385279 + ... + 385312.

It is an arithmetic number, because the mean of its divisors is an integer number (3467664).

Almost surely, 2^13100047 is an apocalyptic number.

13100047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13100047 is a deficient number, since it is larger than the sum of its proper divisors (770609).

13100047 is an equidigital number, since it uses as much as digits as its factorization.

13100047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770608.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 13100047 is about 3619.3987069678. The cubic root of 13100047 is about 235.7351176831.

Adding to 13100047 its product of nonzero digits (84), we get a palindrome (13100131).

Adding to 13100047 its reverse (74000131), we get a palindrome (87100178).

The spelling of 13100047 in words is "thirteen million, one hundred thousand, forty-seven".