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12379894 = 247131701
BaseRepresentation
bin101111001110…
…011011110110
3212021222000121
4233032123312
511132124034
61121202154
7210140662
oct57163366
925258017
1012379894
116a9621a
12419035a
132745ba7
1419038a2
1511481b4
hexbce6f6

12379894 has 8 divisors (see below), whose sum is σ = 18965088. Its totient is φ = 6058200.

The previous prime is 12379891. The next prime is 12379901. The reversal of 12379894 is 49897321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12379894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12379891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65757 + ... + 65944.

It is an arithmetic number, because the mean of its divisors is an integer number (2370636).

Almost surely, 212379894 is an apocalyptic number.

12379894 is a deficient number, since it is larger than the sum of its proper divisors (6585194).

12379894 is a wasteful number, since it uses less digits than its factorization.

12379894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131750.

The product of its digits is 108864, while the sum is 43.

The square root of 12379894 is about 3518.5073539784. The cubic root of 12379894 is about 231.3337379720. Note that the first 3 decimals are identical.

It can be divided in two parts, 1237 and 9894, that multiplied together give a triangular number (12238878 = T4947).

The spelling of 12379894 in words is "twelve million, three hundred seventy-nine thousand, eight hundred ninety-four".

Divisors: 1 2 47 94 131701 263402 6189947 12379894