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12075625 = 541392
BaseRepresentation
bin101110000100…
…001001101001
3211201111122101
4232010021221
511042410000
61110453401
7204432622
oct56041151
924644571
1012075625
1168a8661
124064261
13266a553
141864a49
1510d7e6a
hexb84269

12075625 has 15 divisors (see below), whose sum is σ = 15199041. Its totient is φ = 9591000.

The previous prime is 12075599. The next prime is 12075631. The reversal of 12075625 is 52657021.

The square root of 12075625 is 3475.

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

It can be written as a sum of positive squares in 2 ways, for example, as 946729 + 11128896 = 973^2 + 3336^2 .

It is not a de Polignac number, because 12075625 - 29 = 12075113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12075593 and 12075602.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 86806 + ... + 86944.

Almost surely, 212075625 is an apocalyptic number.

12075625 is the 3475-th square number.

12075625 is the 1738-th centered octagonal number.

It is an amenable number.

12075625 is a deficient number, since it is larger than the sum of its proper divisors (3123416).

12075625 is an frugal number, since it uses more digits than its factorization.

12075625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The cubic root of 12075625 is about 229.4227806973.

The spelling of 12075625 in words is "twelve million, seventy-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 139 625 695 3475 17375 19321 86875 96605 483025 2415125 12075625