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12490493 is a prime number
BaseRepresentation
bin101111101001…
…011011111101
3212111120201212
4233221123331
511144143433
61123414205
7211111301
oct57513375
925446655
1012490493
117061324
124224365
132784332
141931d01
15116ad48
hexbe96fd

12490493 has 2 divisors, whose sum is σ = 12490494. Its totient is φ = 12490492.

The previous prime is 12490487. The next prime is 12490507. The reversal of 12490493 is 39409421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12201049 + 289444 = 3493^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 12490493 - 28 = 12490237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12490433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6245246 + 6245247.

It is an arithmetic number, because the mean of its divisors is an integer number (6245247).

Almost surely, 212490493 is an apocalyptic number.

It is an amenable number.

12490493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12490493 is an equidigital number, since it uses as much as digits as its factorization.

12490493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 12490493 is about 3534.1891573599. The cubic root of 12490493 is about 232.0205899780.

The spelling of 12490493 in words is "twelve million, four hundred ninety thousand, four hundred ninety-three".