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12740476 = 2273531289
BaseRepresentation
bin110000100110…
…011101111100
3212222021122111
4300212131330
511230143401
61133023404
7213202150
oct60463574
925867574
1012740476
117212121
124324b64
132841058
141999060
1511b9e51
hexc2677c

12740476 has 24 divisors (see below), whose sum is σ = 25572960. Its totient is φ = 5440512.

The previous prime is 12740467. The next prime is 12740477. The reversal of 12740476 is 67404721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9240 + ... + 10528.

It is an arithmetic number, because the mean of its divisors is an integer number (1065540).

Almost surely, 212740476 is an apocalyptic number.

It is an amenable number.

12740476 is an abundant number, since it is smaller than the sum of its proper divisors (12832484).

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

12740476 is a wasteful number, since it uses less digits than its factorization.

12740476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 12740476 is about 3569.3803383781. The cubic root of 12740476 is about 233.5582529623.

The spelling of 12740476 in words is "twelve million, seven hundred forty thousand, four hundred seventy-six".

Divisors: 1 2 4 7 14 28 353 706 1289 1412 2471 2578 4942 5156 9023 9884 18046 36092 455017 910034 1820068 3185119 6370238 12740476