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12653216 = 251991987
BaseRepresentation
bin110000010001…
…001010100000
3212210211221122
4300101022200
511214400331
61131111412
7212356562
oct60211240
925724848
1012653216
117162604
1242a2568
132810414
141975332
15119e17b
hexc112a0

12653216 has 24 divisors (see below), whose sum is σ = 25048800. Its totient is φ = 6291648.

The previous prime is 12653203. The next prime is 12653227. The reversal of 12653216 is 61235621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5375 + ... + 7361.

It is an arithmetic number, because the mean of its divisors is an integer number (1043700).

Almost surely, 212653216 is an apocalyptic number.

12653216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12653216 is a deficient number, since it is larger than the sum of its proper divisors (12395584).

12653216 is a wasteful number, since it uses less digits than its factorization.

12653216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196 (or 2188 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 12653216 is about 3557.1359265566. The cubic root of 12653216 is about 233.0238145454.

Adding to 12653216 its reverse (61235621), we get a palindrome (73888837).

The spelling of 12653216 in words is "twelve million, six hundred fifty-three thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 199 398 796 1592 1987 3184 3974 6368 7948 15896 31792 63584 395413 790826 1581652 3163304 6326608 12653216