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12197372 = 2211277213
BaseRepresentation
bin101110100001…
…110111111100
3211221200122112
4232201313330
511110303442
61113233152
7205450565
oct56416774
924850575
1012197372
116981080
1241027b8
1326b0aa5
14189716c
15110e082
hexba1dfc

12197372 has 12 divisors (see below), whose sum is σ = 23285976. Its totient is φ = 5544240.

The previous prime is 12197369. The next prime is 12197399. The reversal of 12197372 is 27379121.

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, 138563 + ... + 138650.

It is an arithmetic number, because the mean of its divisors is an integer number (1940498).

Almost surely, 212197372 is an apocalyptic number.

It is an amenable number.

12197372 is a deficient number, since it is larger than the sum of its proper divisors (11088604).

12197372 is a wasteful number, since it uses less digits than its factorization.

12197372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277228 (or 277226 counting only the distinct ones).

The product of its digits is 5292, while the sum is 32.

The square root of 12197372 is about 3492.4736219476. The cubic root of 12197372 is about 230.1912209379.

The spelling of 12197372 in words is "twelve million, one hundred ninety-seven thousand, three hundred seventy-two".

Divisors: 1 2 4 11 22 44 277213 554426 1108852 3049343 6098686 12197372