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12086972 = 226914373
BaseRepresentation
bin101110000110…
…111010111100
3211202002012122
4232012322330
511043240342
61111022112
7204510662
oct56067274
924662178
1012086972
116906137
12406a938
132672771
141868c32
1510db4d2
hexb86ebc

12086972 has 12 divisors (see below), whose sum is σ = 21187656. Its totient is φ = 6033360.

The previous prime is 12086951. The next prime is 12086981. The reversal of 12086972 is 27968021.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578 + ... + 4950.

It is an arithmetic number, because the mean of its divisors is an integer number (1765638).

Almost surely, 212086972 is an apocalyptic number.

It is an amenable number.

12086972 is a deficient number, since it is larger than the sum of its proper divisors (9100684).

12086972 is a wasteful number, since it uses less digits than its factorization.

12086972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068 (or 5066 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 12086972 is about 3476.6322785132. The cubic root of 12086972 is about 229.4946181197.

The spelling of 12086972 in words is "twelve million, eighty-six thousand, nine hundred seventy-two".

Divisors: 1 2 4 691 1382 2764 4373 8746 17492 3021743 6043486 12086972