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12790629 = 34198311
BaseRepresentation
bin110000110010…
…101101100101
3220001211110000
4300302231211
511233300004
61134051513
7213501315
oct60625545
926054400
1012790629
117246875
124349b99
13285ab27
1419ad445
1511c9c39
hexc32b65

12790629 has 20 divisors (see below), whose sum is σ = 20115040. Its totient is φ = 8077320.

The previous prime is 12790621. The next prime is 12790639. The reversal of 12790629 is 92609721.

12790629 is a `hidden beast` number, since 1 + 27 + 9 + 0 + 629 = 666.

12790629 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12790629 - 23 = 12790621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12790593 and 12790602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12790621) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2617 + ... + 5694.

It is an arithmetic number, because the mean of its divisors is an integer number (1005752).

Almost surely, 212790629 is an apocalyptic number.

12790629 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12790629 is a deficient number, since it is larger than the sum of its proper divisors (7324411).

12790629 is an equidigital number, since it uses as much as digits as its factorization.

12790629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8342 (or 8333 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 12790629 is about 3576.3988871489. The cubic root of 12790629 is about 233.8643197658.

The spelling of 12790629 in words is "twelve million, seven hundred ninety thousand, six hundred twenty-nine".

Divisors: 1 3 9 19 27 57 81 171 513 1539 8311 24933 74799 157909 224397 473727 673191 1421181 4263543 12790629