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12469379 = 13959183
BaseRepresentation
bin101111100100…
…010010000011
3212110111202212
4233210102003
511143010004
61123132335
7210662606
oct57442203
925414685
1012469379
11704747a
1242140ab
132777840
14192833d
15116496e
hexbe4483

12469379 has 4 divisors (see below), whose sum is σ = 13428576. Its totient is φ = 11510184.

The previous prime is 12469361. The next prime is 12469393. The reversal of 12469379 is 97396421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12469379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12469309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479579 + ... + 479604.

It is an arithmetic number, because the mean of its divisors is an integer number (3357144).

Almost surely, 212469379 is an apocalyptic number.

12469379 is a deficient number, since it is larger than the sum of its proper divisors (959197).

12469379 is an equidigital number, since it uses as much as digits as its factorization.

12469379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959196.

The product of its digits is 81648, while the sum is 41.

The square root of 12469379 is about 3531.2007872677. The cubic root of 12469379 is about 231.8897799371.

The spelling of 12469379 in words is "twelve million, four hundred sixty-nine thousand, three hundred seventy-nine".

Divisors: 1 13 959183 12469379