Search a number
-
+
12916541 = 111174231
BaseRepresentation
bin110001010001…
…011100111101
3220022020011102
4301101130331
511301312131
61140502445
7214534361
oct61213475
926266142
1012916541
117322430
1243aaa25
1328a3231
141a032a1
1512021cb
hexc5173d

12916541 has 4 divisors (see below), whose sum is σ = 14090784. Its totient is φ = 11742300.

The previous prime is 12916529. The next prime is 12916559. The reversal of 12916541 is 14561921.

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.

It is a cyclic number.

It is not a de Polignac number, because 12916541 - 222 = 8722237 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 (12916511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587105 + ... + 587126.

It is an arithmetic number, because the mean of its divisors is an integer number (3522696).

Almost surely, 212916541 is an apocalyptic number.

12916541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12916541 is a deficient number, since it is larger than the sum of its proper divisors (1174243).

12916541 is a wasteful number, since it uses less digits than its factorization.

12916541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174242.

The product of its digits is 2160, while the sum is 29.

The square root of 12916541 is about 3593.9589591424. The cubic root of 12916541 is about 234.6292085295.

The spelling of 12916541 in words is "twelve million, nine hundred sixteen thousand, five hundred forty-one".

Divisors: 1 11 1174231 12916541