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12492419 is a prime number
BaseRepresentation
bin101111101001…
…111010000011
3212111200101012
4233221322003
511144224134
61123431135
7211120022
oct57517203
925450335
1012492419
117062815
1242254ab
132785184
1419328b9
15116b6ce
hexbe9e83

12492419 has 2 divisors, whose sum is σ = 12492420. Its totient is φ = 12492418.

The previous prime is 12492409. The next prime is 12492451. The reversal of 12492419 is 91429421.

It is an a-pointer prime, because the next prime (12492451) can be obtained adding 12492419 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12492419 is a prime.

It is a super-2 number, since 2×124924192 = 312121064943122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12492409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6246209 + 6246210.

It is an arithmetic number, because the mean of its divisors is an integer number (6246210).

Almost surely, 212492419 is an apocalyptic number.

12492419 is a deficient number, since it is larger than the sum of its proper divisors (1).

12492419 is an equidigital number, since it uses as much as digits as its factorization.

12492419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 12492419 is about 3534.4616280277. The cubic root of 12492419 is about 232.0325150127.

The spelling of 12492419 in words is "twelve million, four hundred ninety-two thousand, four hundred nineteen".