Search a number
-
+
13262501 = 71894643
BaseRepresentation
bin110010100101…
…111010100101
3220221210201202
4302211322211
511343400001
61152132245
7220505120
oct62457245
926853652
1013262501
11753934a
124537085
132994845
141a933b7
15126e96b
hexca5ea5

13262501 has 4 divisors (see below), whose sum is σ = 15157152. Its totient is φ = 11367852.

The previous prime is 13262497. The next prime is 13262503. The reversal of 13262501 is 10526231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10526231 = 21614871.

It is a cyclic number.

It is not a de Polignac number, because 13262501 - 22 = 13262497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13262503) 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 3 ways as a sum of consecutive naturals, for example, 947315 + ... + 947328.

It is an arithmetic number, because the mean of its divisors is an integer number (3789288).

Almost surely, 213262501 is an apocalyptic number.

It is an amenable number.

13262501 is a deficient number, since it is larger than the sum of its proper divisors (1894651).

13262501 is an equidigital number, since it uses as much as digits as its factorization.

13262501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894650.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13262501 is about 3641.7716842218. The cubic root of 13262501 is about 236.7055694386.

Adding to 13262501 its reverse (10526231), we get a palindrome (23788732).

The spelling of 13262501 in words is "thirteen million, two hundred sixty-two thousand, five hundred one".

Divisors: 1 7 1894643 13262501