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13003799 = 22358313
BaseRepresentation
bin110001100110…
…110000010111
3220110122212012
4301212300113
511312110144
61142414435
7215346644
oct61466027
926418765
1013003799
117381a46
12443141b
132903b73
141a26dcb
15121ce9e
hexc66c17

13003799 has 4 divisors (see below), whose sum is σ = 13062336. Its totient is φ = 12945264.

The previous prime is 13003747. The next prime is 13003801. The reversal of 13003799 is 99730031.

It is a happy number.

13003799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99730031 = 195248949.

It is a cyclic number.

It is not a de Polignac number, because 13003799 - 212 = 12999703 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 (13003099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28934 + ... + 29379.

It is an arithmetic number, because the mean of its divisors is an integer number (3265584).

Almost surely, 213003799 is an apocalyptic number.

13003799 is a deficient number, since it is larger than the sum of its proper divisors (58537).

13003799 is an equidigital number, since it uses as much as digits as its factorization.

13003799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58536.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 13003799 is about 3606.0780634922. The cubic root of 13003799 is about 235.1563709528.

The spelling of 13003799 in words is "thirteen million, three thousand, seven hundred ninety-nine".

Divisors: 1 223 58313 13003799