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13050413 = 59921787
BaseRepresentation
bin110001110010…
…001000101101
3220120000210122
4301302020231
511320103123
61143414325
7215632565
oct61621055
926500718
1013050413
117403a72
1244543a5
13291c14c
141a39da5
15122bbc8
hexc7222d

13050413 has 4 divisors (see below), whose sum is σ = 13072800. Its totient is φ = 13028028.

The previous prime is 13050403. The next prime is 13050421. The reversal of 13050413 is 31405031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13050413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13050391 and 13050400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13050403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10295 + ... + 11492.

It is an arithmetic number, because the mean of its divisors is an integer number (3268200).

Almost surely, 213050413 is an apocalyptic number.

It is an amenable number.

13050413 is a deficient number, since it is larger than the sum of its proper divisors (22387).

13050413 is an equidigital number, since it uses as much as digits as its factorization.

13050413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22386.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13050413 is about 3612.5355361574. The cubic root of 13050413 is about 235.4370198952.

Adding to 13050413 its reverse (31405031), we get a palindrome (44455444).

The spelling of 13050413 in words is "thirteen million, fifty thousand, four hundred thirteen".

Divisors: 1 599 21787 13050413