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13123006 = 213796389
BaseRepresentation
bin110010000011…
…110110111110
3220200201101021
4302003312332
511324414011
61145134354
7216354331
oct62036676
926621337
1013123006
117453566
12448a3ba
1329461c0
141a58618
151243471
hexc83dbe

13123006 has 16 divisors (see below), whose sum is σ = 21470400. Its totient is φ = 5979168.

The previous prime is 13123003. The next prime is 13123007. The reversal of 13123006 is 60032131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141 + ... + 5248.

It is an arithmetic number, because the mean of its divisors is an integer number (1341900).

Almost surely, 213123006 is an apocalyptic number.

13123006 is a deficient number, since it is larger than the sum of its proper divisors (8347394).

13123006 is a wasteful number, since it uses less digits than its factorization.

13123006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6483.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 13123006 is about 3622.5689779492. The cubic root of 13123006 is about 235.8727529101.

Adding to 13123006 its reverse (60032131), we get a palindrome (73155137).

The spelling of 13123006 in words is "thirteen million, one hundred twenty-three thousand, six".

Divisors: 1 2 13 26 79 158 1027 2054 6389 12778 83057 166114 504731 1009462 6561503 13123006