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13120041 = 311419697
BaseRepresentation
bin110010000011…
…001000101001
3220200120022110
4302003020221
511324320131
61145112533
7216342564
oct62031051
926616273
1013120041
117451310
124488749
132944a4c
141a574db
151242646
hexc83229

13120041 has 16 divisors (see below), whose sum is σ = 19551168. Its totient is φ = 7756800.

The previous prime is 13119983. The next prime is 13120057. The reversal of 13120041 is 14002131.

It is a happy number.

It is not a de Polignac number, because 13120041 - 213 = 13111849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13119999 and 13120026.

It is not an unprimeable number, because it can be changed into a prime (13120061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3496 + ... + 6201.

It is an arithmetic number, because the mean of its divisors is an integer number (1221948).

Almost surely, 213120041 is an apocalyptic number.

13120041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13120041 is a deficient number, since it is larger than the sum of its proper divisors (6431127).

13120041 is a wasteful number, since it uses less digits than its factorization.

13120041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9752.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 13120041 is about 3622.1597148663. The cubic root of 13120041 is about 235.8549872806.

Adding to 13120041 its reverse (14002131), we get a palindrome (27122172).

The spelling of 13120041 in words is "thirteen million, one hundred twenty thousand, forty-one".

Divisors: 1 3 11 33 41 123 451 1353 9697 29091 106667 320001 397577 1192731 4373347 13120041