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13136541 = 311398077
BaseRepresentation
bin110010000111…
…001010011101
3220201101221120
4302013022131
511330332131
61145321153
7216441645
oct62071235
926641846
1013136541
117462750
1244961b9
13294c402
141a5d525
151247496
hexc8729d

13136541 has 8 divisors (see below), whose sum is σ = 19107744. Its totient is φ = 7961520.

The previous prime is 13136537. The next prime is 13136561. The reversal of 13136541 is 14563131.

13136541 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13136541 - 22 = 13136537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13136531) 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, 199006 + ... + 199071.

It is an arithmetic number, because the mean of its divisors is an integer number (2388468).

Almost surely, 213136541 is an apocalyptic number.

13136541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13136541 is a deficient number, since it is larger than the sum of its proper divisors (5971203).

13136541 is a wasteful number, since it uses less digits than its factorization.

13136541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398091.

The product of its digits is 1080, while the sum is 24.

The square root of 13136541 is about 3624.4366458803. The cubic root of 13136541 is about 235.9538176893.

Adding to 13136541 its reverse (14563131), we get a palindrome (27699672).

The spelling of 13136541 in words is "thirteen million, one hundred thirty-six thousand, five hundred forty-one".

Divisors: 1 3 11 33 398077 1194231 4378847 13136541