Search a number
-
+
12903201 = 321433689
BaseRepresentation
bin110001001110…
…001100100001
3220021112212100
4301032030201
511300400301
61140321013
7214450443
oct61161441
926245770
1012903201
117313403
1243a3169
13289a13c
1419dc493
1511ed286
hexc4e321

12903201 has 6 divisors (see below), whose sum is σ = 18637970. Its totient is φ = 8602128.

The previous prime is 12903197. The next prime is 12903211. The reversal of 12903201 is 10230921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10497600 + 2405601 = 3240^2 + 1551^2 .

It is not a de Polignac number, because 12903201 - 22 = 12903197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12903211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 716836 + ... + 716853.

Almost surely, 212903201 is an apocalyptic number.

It is an amenable number.

12903201 is a deficient number, since it is larger than the sum of its proper divisors (5734769).

12903201 is a wasteful number, since it uses less digits than its factorization.

12903201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433695 (or 1433692 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 12903201 is about 3592.1025876219. The cubic root of 12903201 is about 234.5484069232.

It can be divided in two parts, 12903 and 201, that multiplied together give a triangular number (2593503 = T2277).

The spelling of 12903201 in words is "twelve million, nine hundred three thousand, two hundred one".

Divisors: 1 3 9 1433689 4301067 12903201