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12378996 = 2232749123
BaseRepresentation
bin101111001110…
…001101110100
3212021220210100
4233032031310
511132111441
61121154100
7210135240
oct57161564
925256710
1012378996
116a95583
12418b930
132745666
141903420
151147cb6
hexbce374

12378996 has 36 divisors (see below), whose sum is σ = 35762272. Its totient is φ = 3536784.

The previous prime is 12378917. The next prime is 12378997. The reversal of 12378996 is 69987321.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12378997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24310 + ... + 24813.

Almost surely, 212378996 is an apocalyptic number.

It is an amenable number.

12378996 is an abundant number, since it is smaller than the sum of its proper divisors (23383276).

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

12378996 is a wasteful number, since it uses less digits than its factorization.

12378996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49140 (or 49135 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 12378996 is about 3518.3797407329. The cubic root of 12378996 is about 231.3281444206.

The spelling of 12378996 in words is "twelve million, three hundred seventy-eight thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 49123 98246 147369 196492 294738 343861 442107 589476 687722 884214 1031583 1375444 1768428 2063166 3094749 4126332 6189498 12378996