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12903060 = 2235215051
BaseRepresentation
bin110001001110…
…001010010100
3220021112200010
4301032022110
511300344220
61140320220
7214450152
oct61161224
926245603
1012903060
117313295
1243a3070
13289a061
1419dc3d2
1511ed1e0
hexc4e294

12903060 has 24 divisors (see below), whose sum is σ = 36128736. Its totient is φ = 3440800.

The previous prime is 12903049. The next prime is 12903067. The reversal of 12903060 is 6030921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12903067) 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, 107466 + ... + 107585.

It is an arithmetic number, because the mean of its divisors is an integer number (1505364).

Almost surely, 212903060 is an apocalyptic number.

12903060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12903060 is an abundant number, since it is smaller than the sum of its proper divisors (23225676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12903060 is a wasteful number, since it uses less digits than its factorization.

12903060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215063 (or 215061 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 12903060 is about 3592.0829611800. The cubic root of 12903060 is about 234.5475525759.

Adding to 12903060 its reverse (6030921), we get a palindrome (18933981).

The spelling of 12903060 in words is "twelve million, nine hundred three thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 215051 430102 645153 860204 1075255 1290306 2150510 2580612 3225765 4301020 6451530 12903060