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13286969 is a prime number
BaseRepresentation
bin110010101011…
…111000111001
3221000001021222
4302223320321
511400140334
61152441425
7220636343
oct62537071
927001258
1013286969
117555773
124549275
1329a2a17
141a9c293
151276d2e
hexcabe39

13286969 has 2 divisors, whose sum is σ = 13286970. Its totient is φ = 13286968.

The previous prime is 13286953. The next prime is 13286983. The reversal of 13286969 is 96968231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11648569 + 1638400 = 3413^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 13286969 - 24 = 13286953 is a prime.

It is a super-2 number, since 2×132869692 = 353087090413922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13286989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6643484 + 6643485.

It is an arithmetic number, because the mean of its divisors is an integer number (6643485).

Almost surely, 213286969 is an apocalyptic number.

It is an amenable number.

13286969 is a deficient number, since it is larger than the sum of its proper divisors (1).

13286969 is an equidigital number, since it uses as much as digits as its factorization.

13286969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 44.

The square root of 13286969 is about 3645.1294901553. The cubic root of 13286969 is about 236.8510461178.

The spelling of 13286969 in words is "thirteen million, two hundred eighty-six thousand, nine hundred sixty-nine".