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12121314 = 235997353
BaseRepresentation
bin101110001111…
…010011100010
3211210211022120
4232033103202
511100340224
61111445110
7205013052
oct56172342
924724276
1012121314
116929a17
124086796
13268529a
141877562
1510e6779
hexb8f4e2

12121314 has 32 divisors (see below), whose sum is σ = 24978240. Its totient is φ = 3919872.

The previous prime is 12121309. The next prime is 12121321. The reversal of 12121314 is 41312121.

It is a junction number, because it is equal to n+sod(n) for n = 12121293 and 12121302.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34162 + ... + 34514.

It is an arithmetic number, because the mean of its divisors is an integer number (780570).

Almost surely, 212121314 is an apocalyptic number.

12121314 is an abundant number, since it is smaller than the sum of its proper divisors (12856926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12121314 is a wasteful number, since it uses less digits than its factorization.

12121314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514.

The product of its digits is 48, while the sum is 15.

The square root of 12121314 is about 3481.5677503102. The cubic root of 12121314 is about 229.7117624331.

Adding to 12121314 its reverse (41312121), we get a palindrome (53433435).

The spelling of 12121314 in words is "twelve million, one hundred twenty-one thousand, three hundred fourteen".

Divisors: 1 2 3 6 59 97 118 177 194 291 353 354 582 706 1059 2118 5723 11446 17169 20827 34241 34338 41654 62481 68482 102723 124962 205446 2020219 4040438 6060657 12121314