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12492031 is a prime number
BaseRepresentation
bin101111101001…
…110011111111
3212111122211211
4233221303333
511144221111
61123425251
7211115626
oct57516377
925448754
1012492031
1170624a2
124225227
132784c46
1419326bd
15116b521
hexbe9cff

12492031 has 2 divisors, whose sum is σ = 12492032. Its totient is φ = 12492030.

The previous prime is 12492023. The next prime is 12492043. The reversal of 12492031 is 13029421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12492031 - 23 = 12492023 is a prime.

It is a super-2 number, since 2×124920312 = 312101677009922, which contains 22 as substring.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 12491993 and 12492011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12492001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6246015 + 6246016.

It is an arithmetic number, because the mean of its divisors is an integer number (6246016).

Almost surely, 212492031 is an apocalyptic number.

12492031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12492031 is an equidigital number, since it uses as much as digits as its factorization.

12492031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12492031 is about 3534.4067394685. The cubic root of 12492031 is about 232.0301127679.

The spelling of 12492031 in words is "twelve million, four hundred ninety-two thousand, thirty-one".