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12684214 = 26342107
BaseRepresentation
bin110000011000…
…101110110110
3212212102110201
4300120232312
511221343324
61131511114
7212546134
oct60305666
925772421
1012684214
117183924
1242b849a
13282156a
141982754
1511a8444
hexc18bb6

12684214 has 4 divisors (see below), whose sum is σ = 19026324. Its totient is φ = 6342106.

The previous prime is 12684209. The next prime is 12684241. The reversal of 12684214 is 41248621.

12684214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41248621 = 357111551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3171052 + ... + 3171055.

It is an arithmetic number, because the mean of its divisors is an integer number (4756581).

Almost surely, 212684214 is an apocalyptic number.

12684214 is a deficient number, since it is larger than the sum of its proper divisors (6342110).

12684214 is an equidigital number, since it uses as much as digits as its factorization.

12684214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342109.

The product of its digits is 3072, while the sum is 28.

The square root of 12684214 is about 3561.4904183502. The cubic root of 12684214 is about 233.2139475431.

The spelling of 12684214 in words is "twelve million, six hundred eighty-four thousand, two hundred fourteen".

Divisors: 1 2 6342107 12684214