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12795389 = 591371583
BaseRepresentation
bin110000110011…
…110111111101
3220002001222022
4300303313331
511233423024
61134125525
7213521225
oct60636775
926061868
1012795389
11724a402
1243508a5
132860049
1419b1085
1511cb35e
hexc33dfd

12795389 has 8 divisors (see below), whose sum is σ = 13115520. Its totient is φ = 12478816.

The previous prime is 12795361. The next prime is 12795427. The reversal of 12795389 is 98359721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12795389 is a prime.

It is a super-2 number, since 2×127953892 = 327443959322642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12795319) 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, 7292 + ... + 8874.

It is an arithmetic number, because the mean of its divisors is an integer number (1639440).

Almost surely, 212795389 is an apocalyptic number.

It is an amenable number.

12795389 is a deficient number, since it is larger than the sum of its proper divisors (320131).

12795389 is a wasteful number, since it uses less digits than its factorization.

12795389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779.

The product of its digits is 136080, while the sum is 44.

The square root of 12795389 is about 3577.0642991146. The cubic root of 12795389 is about 233.8933268381.

The spelling of 12795389 in words is "twelve million, seven hundred ninety-five thousand, three hundred eighty-nine".

Divisors: 1 59 137 1583 8083 93397 216871 12795389