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12740613 = 319492179
BaseRepresentation
bin110000100110…
…100000000101
3212222021211120
4300212200011
511230144423
61133024153
7213202434
oct60464005
925867746
1012740613
117212236
124325059
132841132
14199911b
1511b9ee3
hexc26805

12740613 has 8 divisors (see below), whose sum is σ = 17004000. Its totient is φ = 8485488.

The previous prime is 12740603. The next prime is 12740639. The reversal of 12740613 is 31604721.

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

It is not a de Polignac number, because 12740613 - 26 = 12740549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740603) 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, 4758 + ... + 6936.

It is an arithmetic number, because the mean of its divisors is an integer number (2125500).

Almost surely, 212740613 is an apocalyptic number.

It is an amenable number.

12740613 is a deficient number, since it is larger than the sum of its proper divisors (4263387).

12740613 is a wasteful number, since it uses less digits than its factorization.

12740613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 12740613 is about 3569.3995293326. The cubic root of 12740613 is about 233.5590901201.

The spelling of 12740613 in words is "twelve million, seven hundred forty thousand, six hundred thirteen".

Divisors: 1 3 1949 2179 5847 6537 4246871 12740613