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12397196 = 2272193329
BaseRepresentation
bin101111010010…
…101010001100
3212022211202102
4233102222030
511133202241
61121414232
7210242300
oct57225214
925284672
1012397196
116aa8219
12419a378
132750a26
141909d00
15114d39b
hexbd2a8c

12397196 has 36 divisors (see below), whose sum is σ = 26573400. Its totient is φ = 5031936.

The previous prime is 12397171. The next prime is 12397243. The reversal of 12397196 is 69179321.

It is a happy number.

12397196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2060 + ... + 5388.

It is an arithmetic number, because the mean of its divisors is an integer number (738150).

Almost surely, 212397196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12397196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13286700).

12397196 is an abundant number, since it is smaller than the sum of its proper divisors (14176204).

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

12397196 is a wasteful number, since it uses less digits than its factorization.

12397196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366 (or 3357 counting only the distinct ones).

The product of its digits is 20412, while the sum is 38.

The square root of 12397196 is about 3520.9652085756. The cubic root of 12397196 is about 231.4414576113.

The spelling of 12397196 in words is "twelve million, three hundred ninety-seven thousand, one hundred ninety-six".

Divisors: 1 2 4 7 14 19 28 38 49 76 98 133 196 266 532 931 1862 3329 3724 6658 13316 23303 46606 63251 93212 126502 163121 253004 326242 442757 652484 885514 1771028 3099299 6198598 12397196