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12929399 = 79831879
BaseRepresentation
bin110001010100…
…100101110111
3220022212210122
4301110211313
511302220044
61141042155
7214620020
oct61244567
926285718
1012929399
11733105a
1243b635b
1328a9042
141a07c47
151205dee
hexc54977

12929399 has 8 divisors (see below), whose sum is σ = 14799360. Its totient is φ = 11065176.

The previous prime is 12929383. The next prime is 12929419. The reversal of 12929399 is 99392921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12929399 - 24 = 12929383 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 (12929339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5942 + ... + 7820.

It is an arithmetic number, because the mean of its divisors is an integer number (1849920).

Almost surely, 212929399 is an apocalyptic number.

12929399 is a deficient number, since it is larger than the sum of its proper divisors (1869961).

12929399 is an equidigital number, since it uses as much as digits as its factorization.

12929399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869.

The product of its digits is 78732, while the sum is 44.

The square root of 12929399 is about 3595.7473493003. The cubic root of 12929399 is about 234.7070379797.

The spelling of 12929399 in words is "twelve million, nine hundred twenty-nine thousand, three hundred ninety-nine".

Divisors: 1 7 983 1879 6881 13153 1847057 12929399