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12494831 is a prime number
BaseRepresentation
bin101111101010…
…011111101111
3212111210200112
4233222133233
511144313311
61123450235
7211130036
oct57523757
925453615
1012494831
117064608
12422697b
1327862bb
14193371d
15116c28b
hexbea7ef

12494831 has 2 divisors, whose sum is σ = 12494832. Its totient is φ = 12494830.

The previous prime is 12494821. The next prime is 12494851. The reversal of 12494831 is 13849421.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (13849421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12494831 - 218 = 12232687 is a prime.

It is a super-2 number, since 2×124948312 = 312241603437122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12494821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6247415 + 6247416.

It is an arithmetic number, because the mean of its divisors is an integer number (6247416).

Almost surely, 212494831 is an apocalyptic number.

12494831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12494831 is an equidigital number, since it uses as much as digits as its factorization.

12494831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 12494831 is about 3534.8028233552. The cubic root of 12494831 is about 232.0474474399.

The spelling of 12494831 in words is "twelve million, four hundred ninety-four thousand, eight hundred thirty-one".