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12853437 = 331138209
BaseRepresentation
bin110001000010…
…000010111101
3220012000121020
4301002002331
511242302222
61135254353
7214152402
oct61020275
926160536
1012853437
117289a83
12437a3b9
1328805ac
1419c82a9
1511dd65c
hexc420bd

12853437 has 8 divisors (see below), whose sum is σ = 17690880. Its totient is φ = 8292480.

The previous prime is 12853429. The next prime is 12853439. The reversal of 12853437 is 73435821.

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

It is not a de Polignac number, because 12853437 - 23 = 12853429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12853398 and 12853407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12853439) 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, 69012 + ... + 69197.

It is an arithmetic number, because the mean of its divisors is an integer number (2211360).

Almost surely, 212853437 is an apocalyptic number.

It is an amenable number.

12853437 is a deficient number, since it is larger than the sum of its proper divisors (4837443).

12853437 is a wasteful number, since it uses less digits than its factorization.

12853437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138243.

The product of its digits is 20160, while the sum is 33.

The square root of 12853437 is about 3585.1690336719. The cubic root of 12853437 is about 234.2464894780.

The spelling of 12853437 in words is "twelve million, eight hundred fifty-three thousand, four hundred thirty-seven".

Divisors: 1 3 31 93 138209 414627 4284479 12853437