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12506029 is a prime number
BaseRepresentation
bin101111101101…
…001110101101
3212112101001021
4233231032231
511200143104
61124014141
7211204504
oct57551655
925471037
1012506029
117071a68
124231351
13278b423
14193783b
151170754
hexbed3ad

12506029 has 2 divisors, whose sum is σ = 12506030. Its totient is φ = 12506028.

The previous prime is 12506027. The next prime is 12506041. The reversal of 12506029 is 92060521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7784100 + 4721929 = 2790^2 + 2173^2 .

It is a cyclic number.

It is not a de Polignac number, because 12506029 - 21 = 12506027 is a prime.

It is a super-2 number, since 2×125060292 = 312801522697682, which contains 22 as substring.

Together with 12506027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12505994 and 12506012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12506023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253014 + 6253015.

It is an arithmetic number, because the mean of its divisors is an integer number (6253015).

Almost surely, 212506029 is an apocalyptic number.

It is an amenable number.

12506029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12506029 is an equidigital number, since it uses as much as digits as its factorization.

12506029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 12506029 is about 3536.3864325042. The cubic root of 12506029 is about 232.1167478689.

The spelling of 12506029 in words is "twelve million, five hundred six thousand, twenty-nine".