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13286941 = 31538087
BaseRepresentation
bin110010101011…
…111000011101
3221000001020221
4302223320131
511400140231
61152441341
7220636303
oct62537035
927001227
1013286941
117555748
124549251
1329a29c5
141a9c273
151276d11
hexcabe1d

13286941 has 8 divisors (see below), whose sum is σ = 13976064. Its totient is φ = 12614160.

The previous prime is 13286927. The next prime is 13286953. The reversal of 13286941 is 14968231.

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 13286941 - 27 = 13286813 is a prime.

It is a super-2 number, since 2×132869412 = 353085602274962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13286897 and 13286906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13281941) 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, 2401 + ... + 5686.

It is an arithmetic number, because the mean of its divisors is an integer number (1747008).

Almost surely, 213286941 is an apocalyptic number.

It is an amenable number.

13286941 is a deficient number, since it is larger than the sum of its proper divisors (689123).

13286941 is an equidigital number, since it uses as much as digits as its factorization.

13286941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8171.

The product of its digits is 10368, while the sum is 34.

The square root of 13286941 is about 3645.1256494118. The cubic root of 13286941 is about 236.8508797434.

The spelling of 13286941 in words is "thirteen million, two hundred eighty-six thousand, nine hundred forty-one".

Divisors: 1 31 53 1643 8087 250697 428611 13286941