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12750060 = 2235212501
BaseRepresentation
bin110000101000…
…110011101100
3212222202210110
4300220303230
511231000220
61133140020
7213242121
oct60506354
925882713
1012750060
117219344
12432a610
13284551b
14199c748
1511bcbe0
hexc28cec

12750060 has 24 divisors (see below), whose sum is σ = 35700336. Its totient is φ = 3400000.

The previous prime is 12750011. The next prime is 12750071. The reversal of 12750060 is 6005721.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106191 + ... + 106310.

It is an arithmetic number, because the mean of its divisors is an integer number (1487514).

Almost surely, 212750060 is an apocalyptic number.

12750060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12750060 is an abundant number, since it is smaller than the sum of its proper divisors (22950276).

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

12750060 is a wasteful number, since it uses less digits than its factorization.

12750060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212513 (or 212511 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12750060 is about 3570.7226159420. The cubic root of 12750060 is about 233.6168028743.

Adding to 12750060 its reverse (6005721), we get a palindrome (18755781).

The spelling of 12750060 in words is "twelve million, seven hundred fifty thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 212501 425002 637503 850004 1062505 1275006 2125010 2550012 3187515 4250020 6375030 12750060