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12710457 = 321412273
BaseRepresentation
bin110000011111…
…001000111001
3212220202110200
4300133020321
511223213312
61132232413
7213015504
oct60371071
925822420
1012710457
1171a1611
12430b709
1328304a6
14198c13b
1511b10dc
hexc1f239

12710457 has 6 divisors (see below), whose sum is σ = 18359562. Its totient is φ = 8473632.

The previous prime is 12710447. The next prime is 12710459. The reversal of 12710457 is 75401721.

12710457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9217296 + 3493161 = 3036^2 + 1869^2 .

It is not a de Polignac number, because 12710457 - 26 = 12710393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12710457.

It is not an unprimeable number, because it can be changed into a prime (12710459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706128 + ... + 706145.

It is an arithmetic number, because the mean of its divisors is an integer number (3059927).

Almost surely, 212710457 is an apocalyptic number.

It is an amenable number.

12710457 is a deficient number, since it is larger than the sum of its proper divisors (5649105).

12710457 is a wasteful number, since it uses less digits than its factorization.

12710457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412279 (or 1412276 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 12710457 is about 3565.1727868366. The cubic root of 12710457 is about 233.3746727209.

The spelling of 12710457 in words is "twelve million, seven hundred ten thousand, four hundred fifty-seven".

Divisors: 1 3 9 1412273 4236819 12710457