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12340613 = 431931487
BaseRepresentation
bin101111000100…
…110110000101
3212012222010202
4233010312011
511124344423
61120300245
7206615315
oct57046605
925188122
1012340613
116a6975a
124171685
13273104c
1418d3445
15113b728
hexbc4d85

12340613 has 8 divisors (see below), whose sum is σ = 12701568. Its totient is φ = 11983104.

The previous prime is 12340607. The next prime is 12340637. The reversal of 12340613 is 31604321.

12340613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12340613 - 212 = 12336517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7556 + ... + 9042.

It is an arithmetic number, because the mean of its divisors is an integer number (1587696).

Almost surely, 212340613 is an apocalyptic number.

It is an amenable number.

12340613 is a deficient number, since it is larger than the sum of its proper divisors (360955).

12340613 is a wasteful number, since it uses less digits than its factorization.

12340613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 12340613 is about 3512.9208644659. The cubic root of 12340613 is about 231.0888072674.

Adding to 12340613 its reverse (31604321), we get a palindrome (43944934).

The spelling of 12340613 in words is "twelve million, three hundred forty thousand, six hundred thirteen".

Divisors: 1 43 193 1487 8299 63941 286991 12340613