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13423012 = 224771399
BaseRepresentation
bin110011001101…
…000110100100
3221020221220121
4303031012210
511414014022
61155411324
7222044101
oct63150644
927227817
1013423012
1176389a9
1245b3b44
132a1c915
141ad5aa8
1512a22c7
hexccd1a4

13423012 has 12 divisors (see below), whose sum is σ = 23990400. Its totient is φ = 6568616.

The previous prime is 13422943. The next prime is 13423019. The reversal of 13423012 is 21032431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13423019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35512 + ... + 35887.

It is an arithmetic number, because the mean of its divisors is an integer number (1999200).

Almost surely, 213423012 is an apocalyptic number.

It is an amenable number.

13423012 is a deficient number, since it is larger than the sum of its proper divisors (10567388).

13423012 is a wasteful number, since it uses less digits than its factorization.

13423012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71450 (or 71448 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13423012 is about 3663.7428949095. The cubic root of 13423012 is about 237.6566619201.

Adding to 13423012 its reverse (21032431), we get a palindrome (34455443).

The spelling of 13423012 in words is "thirteen million, four hundred twenty-three thousand, twelve".

Divisors: 1 2 4 47 94 188 71399 142798 285596 3355753 6711506 13423012