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13405607 is a prime number
BaseRepresentation
bin110011001000…
…110110100111
3221020002000222
4303020312213
511412434412
61155154555
7221642255
oct63106647
927202028
1013405607
117626916
1245a5a5b
132a14a17
141acd5d5
15129c072
hexcc8da7

13405607 has 2 divisors, whose sum is σ = 13405608. Its totient is φ = 13405606.

The previous prime is 13405549. The next prime is 13405631. The reversal of 13405607 is 70650431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13405607 - 28 = 13405351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13405657) 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, 6702803 + 6702804.

It is an arithmetic number, because the mean of its divisors is an integer number (6702804).

Almost surely, 213405607 is an apocalyptic number.

13405607 is a deficient number, since it is larger than the sum of its proper divisors (1).

13405607 is an equidigital number, since it uses as much as digits as its factorization.

13405607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 13405607 is about 3661.3668212841. The cubic root of 13405607 is about 237.5538980168.

The spelling of 13405607 in words is "thirteen million, four hundred five thousand, six hundred seven".