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12753993 = 374114813
BaseRepresentation
bin110000101001…
…110001001001
3212222222012010
4300221301021
511231111433
61133210133
7213256440
oct60516111
925888163
1012753993
11722129a
124330949
132847255
14199dd57
1511bde63
hexc29c49

12753993 has 16 divisors (see below), whose sum is σ = 19910016. Its totient is φ = 7109760.

The previous prime is 12753947. The next prime is 12754009. The reversal of 12753993 is 39935721.

It is not a de Polignac number, because 12753993 - 28 = 12753737 is a prime.

It is a super-3 number, since 3×127539933 (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12754993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6546 + ... + 8267.

It is an arithmetic number, because the mean of its divisors is an integer number (1244376).

Almost surely, 212753993 is an apocalyptic number.

It is an amenable number.

12753993 is a deficient number, since it is larger than the sum of its proper divisors (7156023).

12753993 is a wasteful number, since it uses less digits than its factorization.

12753993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14864.

The product of its digits is 51030, while the sum is 39.

The square root of 12753993 is about 3571.2733023391. The cubic root of 12753993 is about 233.6408215960.

The spelling of 12753993 in words is "twelve million, seven hundred fifty-three thousand, nine hundred ninety-three".

Divisors: 1 3 7 21 41 123 287 861 14813 44439 103691 311073 607333 1821999 4251331 12753993