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12397792 = 251135221
BaseRepresentation
bin101111010010…
…110011100000
3212022212120111
4233102303200
511133212132
61121421104
7210244111
oct57226340
925285514
1012397792
116aa8710
12419a794
132751094
14190a208
15114d647
hexbd2ce0

12397792 has 24 divisors (see below), whose sum is σ = 26627832. Its totient is φ = 5635200.

The previous prime is 12397787. The next prime is 12397817. The reversal of 12397792 is 29779321.

12397792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 17259 + ... + 17962.

It is an arithmetic number, because the mean of its divisors is an integer number (1109493).

Almost surely, 212397792 is an apocalyptic number.

It is an amenable number.

12397792 is an abundant number, since it is smaller than the sum of its proper divisors (14230040).

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

12397792 is a wasteful number, since it uses less digits than its factorization.

12397792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35242 (or 35234 counting only the distinct ones).

The product of its digits is 47628, while the sum is 40.

The square root of 12397792 is about 3521.0498434416. The cubic root of 12397792 is about 231.4451664311.

The spelling of 12397792 in words is "twelve million, three hundred ninety-seven thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 35221 70442 140884 281768 387431 563536 774862 1127072 1549724 3099448 6198896 12397792