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12393485 = 513190669
BaseRepresentation
bin101111010001…
…110000001101
3212022122122222
4233101300031
511133042420
61121345125
7210225416
oct57216015
925278588
1012393485
116aa5455
1241981a5
13274c130
14190880d
15114c225
hexbd1c0d

12393485 has 8 divisors (see below), whose sum is σ = 16016280. Its totient is φ = 9152064.

The previous prime is 12393473. The next prime is 12393487. The reversal of 12393485 is 58439321.

12393485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2172676 + 10220809 = 1474^2 + 3197^2 .

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 12393485 - 26 = 12393421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12393487) 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, 95270 + ... + 95399.

It is an arithmetic number, because the mean of its divisors is an integer number (2002035).

Almost surely, 212393485 is an apocalyptic number.

It is an amenable number.

12393485 is a deficient number, since it is larger than the sum of its proper divisors (3622795).

12393485 is a wasteful number, since it uses less digits than its factorization.

12393485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190687.

The product of its digits is 25920, while the sum is 35.

The square root of 12393485 is about 3520.4381829539. The cubic root of 12393485 is about 231.4183619327.

The spelling of 12393485 in words is "twelve million, three hundred ninety-three thousand, four hundred eighty-five".

Divisors: 1 5 13 65 190669 953345 2478697 12393485