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12113312 = 253112211
BaseRepresentation
bin101110001101…
…010110100000
3211210102100012
4232031112200
511100111222
61111344052
7204650531
oct56152640
924712305
1012113312
116923a02
124082028
132681753
141874688
1510e41e2
hexb8d5a0

12113312 has 24 divisors (see below), whose sum is σ = 24619392. Its totient is φ = 5860800.

The previous prime is 12113303. The next prime is 12113323. The reversal of 12113312 is 21331121.

It is a zygodrome in base 5.

It is an unprimeable number.

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, 5114 + ... + 7097.

It is an arithmetic number, because the mean of its divisors is an integer number (1025808).

Almost surely, 212113312 is an apocalyptic number.

It is an amenable number.

12113312 is an abundant number, since it is smaller than the sum of its proper divisors (12506080).

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

12113312 is a wasteful number, since it uses less digits than its factorization.

12113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12252 (or 12244 counting only the distinct ones).

The product of its digits is 36, while the sum is 14.

The square root of 12113312 is about 3480.4183656566. The cubic root of 12113312 is about 229.6612025086.

Adding to 12113312 its reverse (21331121), we get a palindrome (33444433).

The spelling of 12113312 in words is "twelve million, one hundred thirteen thousand, three hundred twelve".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 12211 24422 48844 97688 195376 378541 390752 757082 1514164 3028328 6056656 12113312