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12490563 = 317534621
BaseRepresentation
bin101111101001…
…011101000011
3212111120211110
4233221131003
511144144223
61123414403
7211111431
oct57513503
925446743
1012490563
117061388
124224403
132784387
141931d51
15116ad93
hexbe9743

12490563 has 16 divisors (see below), whose sum is σ = 17970336. Its totient is φ = 7687680.

The previous prime is 12490559. The next prime is 12490589. The reversal of 12490563 is 36509421.

It is not a de Polignac number, because 12490563 - 22 = 12490559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12490563.

It is not an unprimeable number, because it can be changed into a prime (12490523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393 + ... + 5013.

It is an arithmetic number, because the mean of its divisors is an integer number (1123146).

Almost surely, 212490563 is an apocalyptic number.

12490563 is a deficient number, since it is larger than the sum of its proper divisors (5479773).

12490563 is a wasteful number, since it uses less digits than its factorization.

12490563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 12490563 is about 3534.1990606077. The cubic root of 12490563 is about 232.0210234119.

Adding to 12490563 its reverse (36509421), we get a palindrome (48999984).

The spelling of 12490563 in words is "twelve million, four hundred ninety thousand, five hundred sixty-three".

Divisors: 1 3 17 51 53 159 901 2703 4621 13863 78557 235671 244913 734739 4163521 12490563