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12560413 = 50324971
BaseRepresentation
bin101111111010…
…100000011101
3212122010122111
4233322200131
511203413123
61125114021
7211522165
oct57724035
925563574
1012560413
1170a9908
124258911
1327aa0c8
14194d5a5
15118190d
hexbfa81d

12560413 has 4 divisors (see below), whose sum is σ = 12585888. Its totient is φ = 12534940.

The previous prime is 12560407. The next prime is 12560437. The reversal of 12560413 is 31406521.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12560413 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 (12563413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11983 + ... + 12988.

It is an arithmetic number, because the mean of its divisors is an integer number (3146472).

Almost surely, 212560413 is an apocalyptic number.

It is an amenable number.

12560413 is a deficient number, since it is larger than the sum of its proper divisors (25475).

12560413 is an equidigital number, since it uses as much as digits as its factorization.

12560413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25474.

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

The square root of 12560413 is about 3544.0672962008. The cubic root of 12560413 is about 232.4527240370.

Adding to 12560413 its reverse (31406521), we get a palindrome (43966934).

The spelling of 12560413 in words is "twelve million, five hundred sixty thousand, four hundred thirteen".

Divisors: 1 503 24971 12560413