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12308937 = 34102979
BaseRepresentation
bin101110111101…
…000111001001
3212011100200120
4232331013021
511122341222
61115453453
7206424054
oct56750711
925140616
1012308937
116a47983
124157289
13271c7c4
1418c5a9b
15113215c
hexbbd1c9

12308937 has 4 divisors (see below), whose sum is σ = 16411920. Its totient is φ = 8205956.

The previous prime is 12308927. The next prime is 12308939. The reversal of 12308937 is 73980321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12308937 - 24 = 12308921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12308898 and 12308907.

It is not an unprimeable number, because it can be changed into a prime (12308939) 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, 2051487 + ... + 2051492.

It is an arithmetic number, because the mean of its divisors is an integer number (4102980).

Almost surely, 212308937 is an apocalyptic number.

It is an amenable number.

12308937 is a deficient number, since it is larger than the sum of its proper divisors (4102983).

12308937 is an equidigital number, since it uses as much as digits as its factorization.

12308937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102982.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 12308937 is about 3508.4094686909. The cubic root of 12308937 is about 230.8909175572.

The spelling of 12308937 in words is "twelve million, three hundred eight thousand, nine hundred thirty-seven".

Divisors: 1 3 4102979 12308937