Search a number
-
+
13260458 = 26630229
BaseRepresentation
bin110010100101…
…011010101010
3220221200221002
4302211122222
511343313313
61152115002
7220466141
oct62453252
926850832
1013260458
117537862
124535a62
132993933
141a92758
15126e058
hexca56aa

13260458 has 4 divisors (see below), whose sum is σ = 19890690. Its totient is φ = 6630228.

The previous prime is 13260449. The next prime is 13260463. The reversal of 13260458 is 85406231.

13260458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11336689 + 1923769 = 3367^2 + 1387^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13260458.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315113 + ... + 3315116.

Almost surely, 213260458 is an apocalyptic number.

13260458 is a deficient number, since it is larger than the sum of its proper divisors (6630232).

13260458 is an equidigital number, since it uses as much as digits as its factorization.

13260458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630231.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 13260458 is about 3641.4911780753. The cubic root of 13260458 is about 236.6934145087.

Adding to 13260458 its reverse (85406231), we get a palindrome (98666689).

The spelling of 13260458 in words is "thirteen million, two hundred sixty thousand, four hundred fifty-eight".

Divisors: 1 2 6630229 13260458