Search a number
-
+
12494479 is a prime number
BaseRepresentation
bin101111101010…
…011010001111
3212111210012111
4233222122033
511144310404
61123444451
7211126024
oct57523217
925453174
1012494479
117064318
124226727
1327860aa
14193354b
15116c104
hexbea68f

12494479 has 2 divisors, whose sum is σ = 12494480. Its totient is φ = 12494478.

The previous prime is 12494453. The next prime is 12494513. The reversal of 12494479 is 97449421.

It is a weak prime.

It is an emirp because it is prime and its reverse (97449421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12494479 - 29 = 12493967 is a prime.

It is a super-2 number, since 2×124944792 = 312224010962882, 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 (12494879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6247239 + 6247240.

It is an arithmetic number, because the mean of its divisors is an integer number (6247240).

Almost surely, 212494479 is an apocalyptic number.

12494479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12494479 is an equidigital number, since it uses as much as digits as its factorization.

12494479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 12494479 is about 3534.7530323914. The cubic root of 12494479 is about 232.0452683663.

The spelling of 12494479 in words is "twelve million, four hundred ninety-four thousand, four hundred seventy-nine".