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12321693 = 334310613
BaseRepresentation
bin101111000000…
…001110011101
3212012000012000
4233000032131
511123243233
61120032513
7206506206
oct57001635
925160160
1012321693
116a5651a
124162739
132725557
1418ca5ad
151135d13
hexbc039d

12321693 has 16 divisors (see below), whose sum is σ = 18680640. Its totient is φ = 8022672.

The previous prime is 12321691. The next prime is 12321713. The reversal of 12321693 is 39612321.

12321693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12321693 - 21 = 12321691 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4146 + ... + 6467.

It is an arithmetic number, because the mean of its divisors is an integer number (1167540).

Almost surely, 212321693 is an apocalyptic number.

It is an amenable number.

12321693 is a deficient number, since it is larger than the sum of its proper divisors (6358947).

12321693 is a wasteful number, since it uses less digits than its factorization.

12321693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10665 (or 10659 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 12321693 is about 3510.2269157421. The cubic root of 12321693 is about 230.9706489947.

The spelling of 12321693 in words is "twelve million, three hundred twenty-one thousand, six hundred ninety-three".

Divisors: 1 3 9 27 43 129 387 1161 10613 31839 95517 286551 456359 1369077 4107231 12321693