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12426913 is a prime number
BaseRepresentation
bin101111011001…
…111010100001
3212101100112001
4233121322201
511140130123
61122204001
7210425032
oct57317241
925340461
1012426913
117018584
1241b3601
132761405
141916a89
1511570ad
hexbd9ea1

12426913 has 2 divisors, whose sum is σ = 12426914. Its totient is φ = 12426912.

The previous prime is 12426907. The next prime is 12426919. The reversal of 12426913 is 31962421.

It is a balanced prime because it is at equal distance from previous prime (12426907) and next prime (12426919).

It can be written as a sum of positive squares in only one way, i.e., 10387729 + 2039184 = 3223^2 + 1428^2 .

It is an emirp because it is prime and its reverse (31962421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12426913 is a prime.

It is not a weakly prime, because it can be changed into another prime (12426919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6213456 + 6213457.

It is an arithmetic number, because the mean of its divisors is an integer number (6213457).

Almost surely, 212426913 is an apocalyptic number.

It is an amenable number.

12426913 is a deficient number, since it is larger than the sum of its proper divisors (1).

12426913 is an equidigital number, since it uses as much as digits as its factorization.

12426913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 12426913 is about 3525.1826903013. The cubic root of 12426913 is about 231.6262375033.

The spelling of 12426913 in words is "twelve million, four hundred twenty-six thousand, nine hundred thirteen".