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12732393 = 327115661
BaseRepresentation
bin110000100100…
…011111101001
3212221212120010
4300210133221
511224414033
61132522133
7213136452
oct60443751
925855503
1012732393
117207043
124320349
13283a47b
141996129
1511b7863
hexc247e9

12732393 has 8 divisors (see below), whose sum is σ = 17040256. Its totient is φ = 8456400.

The previous prime is 12732389. The next prime is 12732407. The reversal of 12732393 is 39323721.

12732393 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12732393 - 22 = 12732389 is a prime.

It is a super-2 number, since 2×127323932 = 324227663012898, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12732393.

It is not an unprimeable number, because it can be changed into a prime (12732323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7018 + ... + 8643.

It is an arithmetic number, because the mean of its divisors is an integer number (2130032).

Almost surely, 212732393 is an apocalyptic number.

It is an amenable number.

12732393 is a deficient number, since it is larger than the sum of its proper divisors (4307863).

12732393 is a wasteful number, since it uses less digits than its factorization.

12732393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15935.

The product of its digits is 6804, while the sum is 30.

The square root of 12732393 is about 3568.2478893709. The cubic root of 12732393 is about 233.5088500269.

The spelling of 12732393 in words is "twelve million, seven hundred thirty-two thousand, three hundred ninety-three".

Divisors: 1 3 271 813 15661 46983 4244131 12732393