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12616379 = 79159701
BaseRepresentation
bin110000001000…
…001010111011
3212201222102022
4300020022323
511212211004
61130225055
7212144306
oct60101273
925658368
1012616379
117137966
12428518b
1327c9719
141965b3d
1511932be
hexc082bb

12616379 has 4 divisors (see below), whose sum is σ = 12776160. Its totient is φ = 12456600.

The previous prime is 12616339. The next prime is 12616427. The reversal of 12616379 is 97361621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97361621 = 713908803.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12616379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12616319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79772 + ... + 79929.

It is an arithmetic number, because the mean of its divisors is an integer number (3194040).

Almost surely, 212616379 is an apocalyptic number.

12616379 is a deficient number, since it is larger than the sum of its proper divisors (159781).

12616379 is an equidigital number, since it uses as much as digits as its factorization.

12616379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159780.

The product of its digits is 13608, while the sum is 35.

The square root of 12616379 is about 3551.9542508315. The cubic root of 12616379 is about 232.7974625574.

The spelling of 12616379 in words is "twelve million, six hundred sixteen thousand, three hundred seventy-nine".

Divisors: 1 79 159701 12616379