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13085341 = 109120049
BaseRepresentation
bin110001111010…
…101010011101
3220121210201021
4301322222131
511322212331
61144244141
7216136453
oct61725235
926553637
1013085341
117428235
124470651
132932009
141a489d3
151237211
hexc7aa9d

13085341 has 4 divisors (see below), whose sum is σ = 13205500. Its totient is φ = 12965184.

The previous prime is 13085339. The next prime is 13085363. The reversal of 13085341 is 14358031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14358031 = 73919429.

It can be written as a sum of positive squares in 2 ways, for example, as 11249316 + 1836025 = 3354^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 13085341 - 21 = 13085339 is a prime.

It is a super-2 number, since 2×130853412 = 342452298172562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13085311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59916 + ... + 60133.

It is an arithmetic number, because the mean of its divisors is an integer number (3301375).

Almost surely, 213085341 is an apocalyptic number.

It is an amenable number.

13085341 is a deficient number, since it is larger than the sum of its proper divisors (120159).

13085341 is a wasteful number, since it uses less digits than its factorization.

13085341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120158.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 13085341 is about 3617.3665835798. The cubic root of 13085341 is about 235.6468732494.

The spelling of 13085341 in words is "thirteen million, eighty-five thousand, three hundred forty-one".

Divisors: 1 109 120049 13085341