Search a number
-
+
12970802 = 2132771801
BaseRepresentation
bin110001011110…
…101100110010
3220101222121002
4301132230302
511310031202
61142002002
7215151515
oct61365462
926358532
1012970802
11735a179
124416302
1328c1b40
141a18d7c
151213302
hexc5eb32

12970802 has 16 divisors (see below), whose sum is σ = 21040152. Its totient is φ = 5961600.

The previous prime is 12970799. The next prime is 12970807. The reversal of 12970802 is 20807921.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4084441 + 8886361 = 2021^2 + 2981^2 .

It is not an unprimeable number, because it can be changed into a prime (12970807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6302 + ... + 8102.

Almost surely, 212970802 is an apocalyptic number.

It is a pronic number, being equal to 3601×3602.

12970802 is a deficient number, since it is larger than the sum of its proper divisors (8069350).

12970802 is a wasteful number, since it uses less digits than its factorization.

12970802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 12970802 is about 3601.4999652922. The cubic root of 12970802 is about 234.9573002244.

The spelling of 12970802 in words is "twelve million, nine hundred seventy thousand, eight hundred two".

Divisors: 1 2 13 26 277 554 1801 3601 3602 7202 23413 46826 498877 997754 6485401 12970802