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13105701 = 327277751
BaseRepresentation
bin110001111111…
…101000100101
3220122211122100
4301333220211
511323340301
61144522313
7216253020
oct61775045
926584570
1013105701
117441564
124480399
13293b36b
141a521b7
15123d286
hexc7fa25

13105701 has 24 divisors (see below), whose sum is σ = 21741824. Its totient is φ = 7452000.

The previous prime is 13105693. The next prime is 13105711. The reversal of 13105701 is 10750131.

It is a happy number.

It is not a de Polignac number, because 13105701 - 23 = 13105693 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 (13105711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17076 + ... + 17826.

Almost surely, 213105701 is an apocalyptic number.

It is an amenable number.

13105701 is a deficient number, since it is larger than the sum of its proper divisors (8636123).

13105701 is a wasteful number, since it uses less digits than its factorization.

13105701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 13105701 is about 3620.1796916728. The cubic root of 13105701 is about 235.7690273489.

Adding to 13105701 its reverse (10750131), we get a palindrome (23855832).

The spelling of 13105701 in words is "thirteen million, one hundred five thousand, seven hundred one".

Divisors: 1 3 7 9 21 63 277 751 831 1939 2253 2493 5257 5817 6759 15771 17451 47313 208027 624081 1456189 1872243 4368567 13105701