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12331693 = 113741739
BaseRepresentation
bin101111000010…
…101010101101
3212012111220101
4233002222231
511124103233
61120151101
7206550313
oct57025255
925174811
1012331693
116a62a90
124168491
132729c7a
1418d00b3
151138c7d
hexbc2aad

12331693 has 16 divisors (see below), whose sum is σ = 14172480. Its totient is φ = 10627200.

The previous prime is 12331679. The next prime is 12331723. The reversal of 12331693 is 39613321.

It is not a de Polignac number, because 12331693 - 25 = 12331661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16318 + ... + 17056.

It is an arithmetic number, because the mean of its divisors is an integer number (885780).

Almost surely, 212331693 is an apocalyptic number.

It is an amenable number.

12331693 is a deficient number, since it is larger than the sum of its proper divisors (1840787).

12331693 is a wasteful number, since it uses less digits than its factorization.

12331693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828.

The product of its digits is 2916, while the sum is 28.

The square root of 12331693 is about 3511.6510361937. The cubic root of 12331693 is about 231.0331155712.

It can be divided in two parts, 1233 and 1693, that added together give a triangular number (2926 = T76).

The spelling of 12331693 in words is "twelve million, three hundred thirty-one thousand, six hundred ninety-three".

Divisors: 1 11 37 41 407 451 739 1517 8129 16687 27343 30299 300773 333289 1121063 12331693