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13002041 = 136171621
BaseRepresentation
bin110001100110…
…010100111001
3220110120110002
4301212110321
511312031131
61142402345
7215341553
oct61462471
926416402
1013002041
117380698
1244303b5
132903120
141a264d3
15121c6cb
hexc66539

13002041 has 8 divisors (see below), whose sum is σ = 14033544. Its totient is φ = 11975040.

The previous prime is 13002037. The next prime is 13002053. The reversal of 13002041 is 14020031.

It is a happy number.

13002041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13225 + 12988816 = 115^2 + 3604^2 .

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 13002041 - 22 = 13002037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13002071) 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, 7211 + ... + 8831.

It is an arithmetic number, because the mean of its divisors is an integer number (1754193).

Almost surely, 213002041 is an apocalyptic number.

It is an amenable number.

13002041 is a deficient number, since it is larger than the sum of its proper divisors (1031503).

13002041 is a wasteful number, since it uses less digits than its factorization.

13002041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 13002041 is about 3605.8343001308. The cubic root of 13002041 is about 235.1457734464.

Adding to 13002041 its reverse (14020031), we get a palindrome (27022072).

The spelling of 13002041 in words is "thirteen million, two thousand, forty-one".

Divisors: 1 13 617 1621 8021 21073 1000157 13002041