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13260841 = 111967947
BaseRepresentation
bin110010100101…
…100000101001
3220221201110021
4302211200221
511343321331
61152120441
7220500226
oct62454051
926851407
1013260841
117538080
124536121
132993b69
141a9294d
15126e211
hexca5829

13260841 has 16 divisors (see below), whose sum is σ = 15471360. Its totient is φ = 11238480.

The previous prime is 13260823. The next prime is 13260847. The reversal of 13260841 is 14806231.

It is not a de Polignac number, because 13260841 - 25 = 13260809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13260847) 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, 13530 + ... + 14476.

It is an arithmetic number, because the mean of its divisors is an integer number (966960).

Almost surely, 213260841 is an apocalyptic number.

13260841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13260841 is a deficient number, since it is larger than the sum of its proper divisors (2210519).

13260841 is a wasteful number, since it uses less digits than its factorization.

13260841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 13260841 is about 3641.5437660421. The cubic root of 13260841 is about 236.6956932813.

It can be divided in two parts, 13 and 260841, that multiplied together give a palindrome (3390933).

The spelling of 13260841 in words is "thirteen million, two hundred sixty thousand, eight hundred forty-one".

Divisors: 1 11 19 67 209 737 947 1273 10417 14003 17993 63449 197923 697939 1205531 13260841