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12404269 is a prime number
BaseRepresentation
bin101111010100…
…011000101101
3212100012110101
4233110120231
511133414034
61121511101
7210302023
oct57243055
925305411
1012404269
117002569
1241a2491
132754007
14190c713
151150514
hexbd462d

12404269 has 2 divisors, whose sum is σ = 12404270. Its totient is φ = 12404268.

The previous prime is 12404201. The next prime is 12404281. The reversal of 12404269 is 96240421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8352100 + 4052169 = 2890^2 + 2013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12404269 is a prime.

It is a super-2 number, since 2×124042692 = 307731778848722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12404299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202134 + 6202135.

It is an arithmetic number, because the mean of its divisors is an integer number (6202135).

Almost surely, 212404269 is an apocalyptic number.

It is an amenable number.

12404269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404269 is an equidigital number, since it uses as much as digits as its factorization.

12404269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12404269 is about 3521.9694774373. The cubic root of 12404269 is about 231.4854641810.

The spelling of 12404269 in words is "twelve million, four hundred four thousand, two hundred sixty-nine".