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13405063 = 73773709
BaseRepresentation
bin110011001000…
…101110000111
3221020001021211
4303020232013
511412430223
61155152251
7221640550
oct63105607
927201254
1013405063
117626471
1245a5687
132a146b9
141acd327
15129bd0d
hexcc8b87

13405063 has 16 divisors (see below), whose sum is σ = 15972160. Its totient is φ = 11010816.

The previous prime is 13405057. The next prime is 13405069. The reversal of 13405063 is 36050431.

13405063 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13405057) and next prime (13405069).

It is a cyclic number.

It is not a de Polignac number, because 13405063 - 221 = 11307911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18553 + ... + 19261.

It is an arithmetic number, because the mean of its divisors is an integer number (998260).

Almost surely, 213405063 is an apocalyptic number.

13405063 is a deficient number, since it is larger than the sum of its proper divisors (2567097).

13405063 is an equidigital number, since it uses as much as digits as its factorization.

13405063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 13405063 is about 3661.2925313337. The cubic root of 13405063 is about 237.5506846582.

Adding to 13405063 its reverse (36050431), we get a palindrome (49455494).

The spelling of 13405063 in words is "thirteen million, four hundred five thousand, sixty-three".

Divisors: 1 7 37 73 259 511 709 2701 4963 18907 26233 51757 183631 362299 1915009 13405063