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12625429 is a prime number
BaseRepresentation
bin110000001010…
…011000010101
3212202102211111
4300022120111
511213003204
61130335021
7212212555
oct60123025
925672744
1012625429
117143743
12428a471
13280088b
141969165
151195d04
hexc0a615

12625429 has 2 divisors, whose sum is σ = 12625430. Its totient is φ = 12625428.

The previous prime is 12625391. The next prime is 12625439. The reversal of 12625429 is 92452621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7851204 + 4774225 = 2802^2 + 2185^2 .

It is a cyclic number.

It is not a de Polignac number, because 12625429 - 217 = 12494357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12625429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12625439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312714 + 6312715.

It is an arithmetic number, because the mean of its divisors is an integer number (6312715).

Almost surely, 212625429 is an apocalyptic number.

It is an amenable number.

12625429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12625429 is an equidigital number, since it uses as much as digits as its factorization.

12625429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 12625429 is about 3553.2279690445. The cubic root of 12625429 is about 232.8531127954.

The spelling of 12625429 in words is "twelve million, six hundred twenty-five thousand, four hundred twenty-nine".