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12623946 = 2313116061
BaseRepresentation
bin110000001010…
…000001001010
3212202100210120
4300022001022
511212431241
61130324110
7212205336
oct60120112
925670716
1012623946
117142615
124289636
1327cccba
1419687c6
151195666
hexc0a04a

12623946 has 16 divisors (see below), whose sum is σ = 25442208. Its totient is φ = 4175600.

The previous prime is 12623929. The next prime is 12623951. The reversal of 12623946 is 64932621.

It is a super-2 number, since 2×126239462 = 318728025221832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7245 + ... + 8816.

It is an arithmetic number, because the mean of its divisors is an integer number (1590138).

Almost surely, 212623946 is an apocalyptic number.

12623946 is an abundant number, since it is smaller than the sum of its proper divisors (12818262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12623946 is a wasteful number, since it uses less digits than its factorization.

12623946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16197.

The product of its digits is 15552, while the sum is 33.

The square root of 12623946 is about 3553.0192794298. The cubic root of 12623946 is about 232.8439953577.

It can be divided in two parts, 126 and 23946, that multiplied together give a triangular number (3017196 = T2456).

The spelling of 12623946 in words is "twelve million, six hundred twenty-three thousand, nine hundred forty-six".

Divisors: 1 2 3 6 131 262 393 786 16061 32122 48183 96366 2103991 4207982 6311973 12623946