Search a number
-
+
12753997 = 192979293
BaseRepresentation
bin110000101001…
…110001001101
3212222222012021
4300221301031
511231111442
61133210141
7213256444
oct60516115
925888167
1012753997
1172212a3
124330951
132847259
14199dd5b
1511bde67
hexc29c4d

12753997 has 16 divisors (see below), whose sum is σ = 14112000. Its totient is φ = 11479104.

The previous prime is 12753947. The next prime is 12754009. The reversal of 12753997 is 79935721.

It is a cyclic number.

It is not a de Polignac number, because 12753997 - 27 = 12753869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12753907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43383 + ... + 43675.

It is an arithmetic number, because the mean of its divisors is an integer number (882000).

Almost surely, 212753997 is an apocalyptic number.

It is an amenable number.

12753997 is a deficient number, since it is larger than the sum of its proper divisors (1358003).

12753997 is a wasteful number, since it uses less digits than its factorization.

12753997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its digits is 119070, while the sum is 43.

The square root of 12753997 is about 3571.2738623634. The cubic root of 12753997 is about 233.6408460214.

The spelling of 12753997 in words is "twelve million, seven hundred fifty-three thousand, nine hundred ninety-seven".

Divisors: 1 19 29 79 293 551 1501 2291 5567 8497 23147 43529 161443 439793 671263 12753997