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12960430 = 257185149
BaseRepresentation
bin110001011100…
…001010101110
3220101110100221
4301130022232
511304213210
61141441554
7215106340
oct61341256
926343327
1012960430
1173523aa
1244102ba
1328ba1c2
141a15290
1512101da
hexc5c2ae

12960430 has 16 divisors (see below), whose sum is σ = 26661600. Its totient is φ = 4443552.

The previous prime is 12960407. The next prime is 12960457. The reversal of 12960430 is 3406921.

12960430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12960395 and 12960404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92505 + ... + 92644.

It is an arithmetic number, because the mean of its divisors is an integer number (1666350).

Almost surely, 212960430 is an apocalyptic number.

12960430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12960430 is an abundant number, since it is smaller than the sum of its proper divisors (13701170).

12960430 is a wasteful number, since it uses less digits than its factorization.

12960430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185163.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 12960430 is about 3600.0597217268. The cubic root of 12960430 is about 234.8946562702.

The spelling of 12960430 in words is "twelve million, nine hundred sixty thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 185149 370298 925745 1296043 1851490 2592086 6480215 12960430