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12892869 = 3211314201
BaseRepresentation
bin110001001011…
…101011000101
3220021000200200
4301023223011
511300032434
61140201113
7214405353
oct61135305
926230620
1012892869
117306670
124399199
132895522
1419d87d3
1511ea199
hexc4bac5

12892869 has 24 divisors (see below), whose sum is σ = 20976384. Its totient is φ = 7560000.

The previous prime is 12892861. The next prime is 12892871. The reversal of 12892869 is 96829821.

12892869 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 not a de Polignac number, because 12892869 - 23 = 12892861 is a prime.

It is a super-2 number, since 2×128928692 = 332452142102322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12892861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 969 + ... + 5169.

It is an arithmetic number, because the mean of its divisors is an integer number (874016).

Almost surely, 212892869 is an apocalyptic number.

It is an amenable number.

12892869 is a deficient number, since it is larger than the sum of its proper divisors (8083515).

12892869 is a wasteful number, since it uses less digits than its factorization.

12892869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249 (or 4246 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 12892869 is about 3590.6641446952. The cubic root of 12892869 is about 234.4857867706.

The spelling of 12892869 in words is "twelve million, eight hundred ninety-two thousand, eight hundred sixty-nine".

Divisors: 1 3 9 11 31 33 93 99 279 341 1023 3069 4201 12603 37809 46211 130231 138633 390693 415899 1172079 1432541 4297623 12892869