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13406069 is a prime number
BaseRepresentation
bin110011001000…
…111101110101
3221020002200002
4303020331311
511412443234
61155201045
7221643515
oct63107565
927202602
1013406069
1176271a6
1245a6185
132a14cb1
141acd845
15129c27e
hexcc8f75

13406069 has 2 divisors, whose sum is σ = 13406070. Its totient is φ = 13406068.

The previous prime is 13406053. The next prime is 13406087. The reversal of 13406069 is 96060431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8631844 + 4774225 = 2938^2 + 2185^2 .

It is a cyclic number.

It is not a de Polignac number, because 13406069 - 24 = 13406053 is a prime.

It is a super-2 number, since 2×134060692 = 359445372065522, 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 (13406009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6703034 + 6703035.

It is an arithmetic number, because the mean of its divisors is an integer number (6703035).

Almost surely, 213406069 is an apocalyptic number.

It is an amenable number.

13406069 is a deficient number, since it is larger than the sum of its proper divisors (1).

13406069 is an equidigital number, since it uses as much as digits as its factorization.

13406069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 13406069 is about 3661.4299119333. The cubic root of 13406069 is about 237.5566269406.

The spelling of 13406069 in words is "thirteen million, four hundred six thousand, sixty-nine".