Search a number
-
+
13405126 = 27319541
BaseRepresentation
bin110011001000…
…101111000110
3221020001101011
4303020233012
511412431001
61155152434
7221641000
oct63105706
927201334
1013405126
117626519
1245a571a
132a14737
141acd370
15129bd51
hexcc8bc6

13405126 has 16 divisors (see below), whose sum is σ = 23450400. Its totient is φ = 5744760.

The previous prime is 13405123. The next prime is 13405151. The reversal of 13405126 is 62150431.

13405126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13405097 and 13405106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9085 + ... + 10456.

It is an arithmetic number, because the mean of its divisors is an integer number (1465650).

Almost surely, 213405126 is an apocalyptic number.

13405126 is a deficient number, since it is larger than the sum of its proper divisors (10045274).

13405126 is an equidigital number, since it uses as much as digits as its factorization.

13405126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19564 (or 19550 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13405126 is about 3661.3011348426. The cubic root of 13405126 is about 237.5510567979.

Adding to 13405126 its reverse (62150431), we get a palindrome (75555557).

It can be divided in two parts, 13405 and 126, that added together give a palindrome (13531).

The spelling of 13405126 in words is "thirteen million, four hundred five thousand, one hundred twenty-six".

Divisors: 1 2 7 14 49 98 343 686 19541 39082 136787 273574 957509 1915018 6702563 13405126