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12962431 is a prime number
BaseRepresentation
bin110001011100…
…101001111111
3220101120010001
4301130221333
511304244211
61141455131
7215115226
oct61345177
926346101
1012962431
117353959
1244114a7
1328bb0a1
141a15cbd
151210ac1
hexc5ca7f

12962431 has 2 divisors, whose sum is σ = 12962432. Its totient is φ = 12962430.

The previous prime is 12962429. The next prime is 12962471. The reversal of 12962431 is 13426921.

It is a weak prime.

It is an emirp because it is prime and its reverse (13426921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12962431 - 21 = 12962429 is a prime.

It is a super-2 number, since 2×129624312 = 336049234859522, which contains 22 as substring.

Together with 12962429, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12962431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12962471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6481215 + 6481216.

It is an arithmetic number, because the mean of its divisors is an integer number (6481216).

Almost surely, 212962431 is an apocalyptic number.

12962431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12962431 is an equidigital number, since it uses as much as digits as its factorization.

12962431 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12962431 is about 3600.3376230570. The cubic root of 12962431 is about 234.9067443470.

The spelling of 12962431 in words is "twelve million, nine hundred sixty-two thousand, four hundred thirty-one".