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12900315 = 353172713
BaseRepresentation
bin110001001101…
…011111011011
3220021101220110
4301031133123
511300302230
61140255403
7214436151
oct61153733
926241813
1012900315
11731121a
1243a1563
132898a2c
1419db3d1
1511ec4b0
hexc4d7db

12900315 has 16 divisors (see below), whose sum is σ = 20713248. Its totient is φ = 6855936.

The previous prime is 12900311. The next prime is 12900317. The reversal of 12900315 is 51300921.

12900315 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12900315 - 22 = 12900311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12900291 and 12900300.

It is not an unprimeable number, because it can be changed into a prime (12900311) 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, 3399 + ... + 6111.

It is an arithmetic number, because the mean of its divisors is an integer number (1294578).

Almost surely, 212900315 is an apocalyptic number.

12900315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12900315 is a deficient number, since it is larger than the sum of its proper divisors (7812933).

12900315 is a wasteful number, since it uses less digits than its factorization.

12900315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 12900315 is about 3591.7008505721. The cubic root of 12900315 is about 234.5309188292.

The spelling of 12900315 in words is "twelve million, nine hundred thousand, three hundred fifteen".

Divisors: 1 3 5 15 317 951 1585 2713 4755 8139 13565 40695 860021 2580063 4300105 12900315