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12739260 = 2235241881
BaseRepresentation
bin110000100110…
…001010111100
3212222012222110
4300212022330
511230124020
61133014020
7213165462
oct60461274
925865873
1012739260
117211216
124324310
132840631
141998832
1511b98e0
hexc262bc

12739260 has 48 divisors (see below), whose sum is σ = 35858592. Its totient is φ = 3379200.

The previous prime is 12739249. The next prime is 12739267. The reversal of 12739260 is 6293721.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12739267) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14020 + ... + 14900.

It is an arithmetic number, because the mean of its divisors is an integer number (747054).

Almost surely, 212739260 is an apocalyptic number.

12739260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12739260 is an abundant number, since it is smaller than the sum of its proper divisors (23119332).

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

12739260 is a wasteful number, since it uses less digits than its factorization.

12739260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 12739260 is about 3569.2099966239. The cubic root of 12739260 is about 233.5508221601.

The spelling of 12739260 in words is "twelve million, seven hundred thirty-nine thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 241 482 723 881 964 1205 1446 1762 2410 2643 2892 3524 3615 4405 4820 5286 7230 8810 10572 13215 14460 17620 26430 52860 212321 424642 636963 849284 1061605 1273926 2123210 2547852 3184815 4246420 6369630 12739260