Search a number
-
+
12617377 is a prime number
BaseRepresentation
bin110000001000…
…011010100001
3212202000210021
4300020122201
511212224002
61130233441
7212150233
oct60103241
925660707
1012617377
117138693
124285881
1327ca006
141966253
151193737
hexc086a1

12617377 has 2 divisors, whose sum is σ = 12617378. Its totient is φ = 12617376.

The previous prime is 12617369. The next prime is 12617401. The reversal of 12617377 is 77371621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6471936 + 6145441 = 2544^2 + 2479^2 .

It is an emirp because it is prime and its reverse (77371621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12617377 - 23 = 12617369 is a prime.

It is not a weakly prime, because it can be changed into another prime (12617357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6308688 + 6308689.

It is an arithmetic number, because the mean of its divisors is an integer number (6308689).

Almost surely, 212617377 is an apocalyptic number.

It is an amenable number.

12617377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12617377 is an equidigital number, since it uses as much as digits as its factorization.

12617377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12348, while the sum is 34.

The square root of 12617377 is about 3552.0947340971. The cubic root of 12617377 is about 232.8036007619.

Adding to 12617377 its reverse (77371621), we get a palindrome (89988998).

The spelling of 12617377 in words is "twelve million, six hundred seventeen thousand, three hundred seventy-seven".