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12496225 = 52721012
BaseRepresentation
bin101111101010…
…110101100001
3212111212121011
4233222311201
511144334400
61123500521
7211134100
oct57526541
925455534
1012496225
117065665
124227741
132786b21
141934037
15116c8ba
hexbead61

12496225 has 27 divisors (see below), whose sum is σ = 18205401. Its totient is φ = 8484000.

The previous prime is 12496217. The next prime is 12496229. The reversal of 12496225 is 52269421.

The square root of 12496225 is 3535.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2307361 + 10188864 = 1519^2 + 3192^2 .

It is not a de Polignac number, because 12496225 - 23 = 12496217 is a prime.

It is a Duffinian number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (12496229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 123675 + ... + 123775.

Almost surely, 212496225 is an apocalyptic number.

12496225 is the 3535-th square number.

12496225 is the 1768-th centered octagonal number.

It is an amenable number.

12496225 is a deficient number, since it is larger than the sum of its proper divisors (5709176).

12496225 is an equidigital number, since it uses as much as digits as its factorization.

12496225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 113 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The cubic root of 12496225 is about 232.0560766646.

It can be divided in two parts, 12496 and 225, that added together give a palindrome (12721).

The spelling of 12496225 in words is "twelve million, four hundred ninety-six thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 49 101 175 245 505 707 1225 2525 3535 4949 10201 17675 24745 51005 71407 123725 255025 357035 499849 1785175 2499245 12496225