Search a number
-
+
12345379 is a prime number
BaseRepresentation
bin101111000110…
…000000100011
3212020012200021
4233012000203
511130023004
61120334311
7206635234
oct57060043
925205607
1012345379
116a722a2
124174397
132733277
1418d508b
15113cd54
hexbc6023

12345379 has 2 divisors, whose sum is σ = 12345380. Its totient is φ = 12345378.

The previous prime is 12345373. The next prime is 12345397. The reversal of 12345379 is 97354321.

Together with next prime (12345397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (97354321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12345379 - 23 = 12345371 is a prime.

It is not a weakly prime, because it can be changed into another prime (12345371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172689 + 6172690.

It is an arithmetic number, because the mean of its divisors is an integer number (6172690).

Almost surely, 212345379 is an apocalyptic number.

12345379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12345379 is an equidigital number, since it uses as much as digits as its factorization.

12345379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 12345379 is about 3513.5991518669. The cubic root of 12345379 is about 231.1185526159.

The spelling of 12345379 in words is "twelve million, three hundred forty-five thousand, three hundred seventy-nine".