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12634874 = 27947953
BaseRepresentation
bin110000001100…
…101011111010
3212202220210022
4300030223322
511213303444
61130450442
7212252240
oct60145372
925686708
1012634874
11714a84a
124293a22
132804c75
14196c790
1511989ee
hexc0cafa

12634874 has 16 divisors (see below), whose sum is σ = 21705408. Its totient is φ = 5403552.

The previous prime is 12634861. The next prime is 12634877. The reversal of 12634874 is 47843621.

12634874 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×126348743 (a number of 22 digits) contains 333 as substring.

12634874 is strictly pandigital in base 8.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12634877) 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, 12782 + ... + 13734.

It is an arithmetic number, because the mean of its divisors is an integer number (1356588).

Almost surely, 212634874 is an apocalyptic number.

12634874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12634874 is a deficient number, since it is larger than the sum of its proper divisors (9070534).

12634874 is an equidigital number, since it uses as much as digits as its factorization.

12634874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909.

The product of its digits is 32256, while the sum is 35.

The square root of 12634874 is about 3554.5567937508. The cubic root of 12634874 is about 232.9111636136.

The spelling of 12634874 in words is "twelve million, six hundred thirty-four thousand, eight hundred seventy-four".

Divisors: 1 2 7 14 947 953 1894 1906 6629 6671 13258 13342 902491 1804982 6317437 12634874