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13041061 = 111185551
BaseRepresentation
bin110001101111…
…110110100101
3220112112222021
4301233312211
511314303221
61143303141
7215563405
oct61576645
926475867
1013041061
1173a7a40
12444aab1
132917b07
141a36805
151229041
hexc6fda5

13041061 has 4 divisors (see below), whose sum is σ = 14226624. Its totient is φ = 11855500.

The previous prime is 13041059. The next prime is 13041071. The reversal of 13041061 is 16014031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16014031 = 111455821.

It is a cyclic number.

It is not a de Polignac number, because 13041061 - 21 = 13041059 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 (13041001) 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, 592765 + ... + 592786.

It is an arithmetic number, because the mean of its divisors is an integer number (3556656).

Almost surely, 213041061 is an apocalyptic number.

13041061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13041061 is a deficient number, since it is larger than the sum of its proper divisors (1185563).

13041061 is a wasteful number, since it uses less digits than its factorization.

13041061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185562.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 13041061 is about 3611.2409224531. The cubic root of 13041061 is about 235.3807679548.

Adding to 13041061 its reverse (16014031), we get a palindrome (29055092).

The spelling of 13041061 in words is "thirteen million, forty-one thousand, sixty-one".

Divisors: 1 11 1185551 13041061