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13261425 = 352176819
BaseRepresentation
bin110010100101…
…101001110001
3220221202020220
4302211221301
511343331200
61152123253
7220502022
oct62455161
926852226
1013261425
117538561
124536529
1329941c8
141a92c49
15126e4a0
hexca5a71

13261425 has 12 divisors (see below), whose sum is σ = 21925680. Its totient is φ = 7072720.

The previous prime is 13261421. The next prime is 13261433. The reversal of 13261425 is 52416231.

13261425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13261425 - 22 = 13261421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13261395 and 13261404.

It is not an unprimeable number, because it can be changed into a prime (13261421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88335 + ... + 88484.

It is an arithmetic number, because the mean of its divisors is an integer number (1827140).

Almost surely, 213261425 is an apocalyptic number.

13261425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13261425 is a deficient number, since it is larger than the sum of its proper divisors (8664255).

13261425 is a wasteful number, since it uses less digits than its factorization.

13261425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176832 (or 176827 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 13261425 is about 3641.6239509318. The cubic root of 13261425 is about 236.6991678788.

Adding to 13261425 its reverse (52416231), we get a palindrome (65677656).

The spelling of 13261425 in words is "thirteen million, two hundred sixty-one thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 176819 530457 884095 2652285 4420475 13261425