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12130507 is a prime number
BaseRepresentation
bin101110010001…
…100011001011
3211211021221001
4232101203023
511101134012
61111555431
7205051624
oct56214313
924737831
1012130507
116935914
12408bb77
13268951c
14187aa4b
1510e9357
hexb918cb

12130507 has 2 divisors, whose sum is σ = 12130508. Its totient is φ = 12130506.

The previous prime is 12130477. The next prime is 12130523. The reversal of 12130507 is 70503121.

12130507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12130507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12130567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065253 + 6065254.

It is an arithmetic number, because the mean of its divisors is an integer number (6065254).

Almost surely, 212130507 is an apocalyptic number.

12130507 is a deficient number, since it is larger than the sum of its proper divisors (1).

12130507 is an equidigital number, since it uses as much as digits as its factorization.

12130507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 12130507 is about 3482.8877386445. The cubic root of 12130507 is about 229.7698201265.

Adding to 12130507 its reverse (70503121), we get a palindrome (82633628).

It can be divided in two parts, 121 and 30507, that added together give a triangular number (30628 = T247).

The spelling of 12130507 in words is "twelve million, one hundred thirty thousand, five hundred seven".