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12852915 = 354319927
BaseRepresentation
bin110001000001…
…111010110011
3220011222212220
4301001322303
511242243130
61135252123
7214151025
oct61017263
926158786
1012852915
117289649
12437a043
13288029a
1419c8015
1511dd410
hexc41eb3

12852915 has 16 divisors (see below), whose sum is σ = 21043968. Its totient is φ = 6695136.

The previous prime is 12852899. The next prime is 12852919. The reversal of 12852915 is 51925821.

12852915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12852915 - 24 = 12852899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12852919) 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, 9319 + ... + 10608.

It is an arithmetic number, because the mean of its divisors is an integer number (1315248).

Almost surely, 212852915 is an apocalyptic number.

12852915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12852915 is a deficient number, since it is larger than the sum of its proper divisors (8191053).

12852915 is a wasteful number, since it uses less digits than its factorization.

12852915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19978.

The product of its digits is 7200, while the sum is 33.

The square root of 12852915 is about 3585.0962330180. The cubic root of 12852915 is about 234.2433183852.

The spelling of 12852915 in words is "twelve million, eight hundred fifty-two thousand, nine hundred fifteen".

Divisors: 1 3 5 15 43 129 215 645 19927 59781 99635 298905 856861 2570583 4284305 12852915