Search a number
-
+
12916911 = 371933187
BaseRepresentation
bin110001010001…
…100010101111
3220022020200010
4301101202233
511301320121
61140504303
7214535430
oct61214257
926266603
1012916911
117322737
1243ab093
1328a3457
141a03487
151202376
hexc518af

12916911 has 16 divisors (see below), whose sum is σ = 19791104. Its totient is φ = 7340544.

The previous prime is 12916907. The next prime is 12916931. The reversal of 12916911 is 11961921.

12916911 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 not a de Polignac number, because 12916911 - 22 = 12916907 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 (12916901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2460 + ... + 5646.

It is an arithmetic number, because the mean of its divisors is an integer number (1236944).

Almost surely, 212916911 is an apocalyptic number.

12916911 is a deficient number, since it is larger than the sum of its proper divisors (6874193).

12916911 is a wasteful number, since it uses less digits than its factorization.

12916911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390.

The product of its digits is 972, while the sum is 30.

The square root of 12916911 is about 3594.0104340416. The cubic root of 12916911 is about 234.6314488604.

The spelling of 12916911 in words is "twelve million, nine hundred sixteen thousand, nine hundred eleven".

Divisors: 1 3 7 21 193 579 1351 3187 4053 9561 22309 66927 615091 1845273 4305637 12916911