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12645070 = 251966553
BaseRepresentation
bin110000001111…
…001011001110
3212210102202221
4300033023032
511214120240
61131005554
7212324044
oct60171316
925712687
1012645070
117157479
1242998ba
1328097b9
141972394
15119ba4a
hexc0f2ce

12645070 has 16 divisors (see below), whose sum is σ = 23959440. Its totient is φ = 4791744.

The previous prime is 12645047. The next prime is 12645077. The reversal of 12645070 is 7054621.

12645070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645077) 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, 33087 + ... + 33466.

It is an arithmetic number, because the mean of its divisors is an integer number (1497465).

Almost surely, 212645070 is an apocalyptic number.

12645070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12645070 is a deficient number, since it is larger than the sum of its proper divisors (11314370).

12645070 is a wasteful number, since it uses less digits than its factorization.

12645070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66579.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 12645070 is about 3555.9907198979. The cubic root of 12645070 is about 232.9737977621.

Adding to 12645070 its reverse (7054621), we get a palindrome (19699691).

The spelling of 12645070 in words is "twelve million, six hundred forty-five thousand, seventy".

Divisors: 1 2 5 10 19 38 95 190 66553 133106 332765 665530 1264507 2529014 6322535 12645070