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13468997 is a prime number
BaseRepresentation
bin110011011000…
…010101000101
3221100021222202
4303120111011
511422001442
61200404245
7222325133
oct63302505
927307882
1013468997
11766a503
124616685
132a37829
141b08753
1512b0c32
hexcd8545

13468997 has 2 divisors, whose sum is σ = 13468998. Its totient is φ = 13468996.

The previous prime is 13468979. The next prime is 13469009. The reversal of 13468997 is 79986431.

Together with previous prime (13468979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11296321 + 2172676 = 3361^2 + 1474^2 .

It is a cyclic number.

It is not a de Polignac number, because 13468997 - 214 = 13452613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13468907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6734498 + 6734499.

It is an arithmetic number, because the mean of its divisors is an integer number (6734499).

Almost surely, 213468997 is an apocalyptic number.

It is an amenable number.

13468997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13468997 is an equidigital number, since it uses as much as digits as its factorization.

13468997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 13468997 is about 3670.0132152351. The cubic root of 13468997 is about 237.9277432888.

The spelling of 13468997 in words is "thirteen million, four hundred sixty-eight thousand, nine hundred ninety-seven".