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12514391 is a prime number
BaseRepresentation
bin101111101111…
…010001010111
3212112210111222
4233233101113
511200430031
61124120555
7211241051
oct57572127
925483458
1012514391
11707827a
12423615b
132792186
14193a8d1
151172e7b
hexbef457

12514391 has 2 divisors, whose sum is σ = 12514392. Its totient is φ = 12514390.

The previous prime is 12514387. The next prime is 12514409. The reversal of 12514391 is 19341521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12514391 - 22 = 12514387 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12514391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12514321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6257195 + 6257196.

It is an arithmetic number, because the mean of its divisors is an integer number (6257196).

Almost surely, 212514391 is an apocalyptic number.

12514391 is a deficient number, since it is larger than the sum of its proper divisors (1).

12514391 is an equidigital number, since it uses as much as digits as its factorization.

12514391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 26.

The square root of 12514391 is about 3537.5685152375. The cubic root of 12514391 is about 232.1684703303.

The spelling of 12514391 in words is "twelve million, five hundred fourteen thousand, three hundred ninety-one".