Search a number
-
+
12735369 = 321579013
BaseRepresentation
bin110000100101…
…001110001001
3212222000122100
4300211032021
511230012434
61132544013
7213151233
oct60451611
925860570
1012735369
1172092a9
124322009
13283b92a
141997253
1511b8699
hexc25389

12735369 has 12 divisors (see below), whose sum is σ = 18514756. Its totient is φ = 8435232.

The previous prime is 12735347. The next prime is 12735391. The reversal of 12735369 is 96353721.

It is an interprime number because it is at equal distance from previous prime (12735347) and next prime (12735391).

It can be written as a sum of positive squares in 2 ways, for example, as 4782969 + 7952400 = 2187^2 + 2820^2 .

It is not a de Polignac number, because 12735369 - 25 = 12735337 is a prime.

It is a super-2 number, since 2×127353692 = 324379247132322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12735269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3094 + ... + 5919.

Almost surely, 212735369 is an apocalyptic number.

It is an amenable number.

12735369 is a deficient number, since it is larger than the sum of its proper divisors (5779387).

12735369 is a wasteful number, since it uses less digits than its factorization.

12735369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9176 (or 9173 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 12735369 is about 3568.6648763929. The cubic root of 12735369 is about 233.5270416374.

The spelling of 12735369 in words is "twelve million, seven hundred thirty-five thousand, three hundred sixty-nine".

Divisors: 1 3 9 157 471 1413 9013 27039 81117 1415041 4245123 12735369