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13024025 = 527193917
BaseRepresentation
bin110001101011…
…101100011001
3220111200121022
4301223230121
511313232100
61143052225
7215462630
oct61535431
926450538
1013024025
117396163
124441075
132910131
141a30517
151223e85
hexc6bb19

13024025 has 24 divisors (see below), whose sum is σ = 19433280. Its totient is φ = 8458560.

The previous prime is 13024021. The next prime is 13024087. The reversal of 13024025 is 52042031.

It is not a de Polignac number, because 13024025 - 22 = 13024021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13023994 and 13024012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13024021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1367 + ... + 5283.

It is an arithmetic number, because the mean of its divisors is an integer number (809720).

Almost surely, 213024025 is an apocalyptic number.

It is an amenable number.

13024025 is a deficient number, since it is larger than the sum of its proper divisors (6409255).

13024025 is a wasteful number, since it uses less digits than its factorization.

13024025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953 (or 3948 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 13024025 is about 3608.8814056436. The cubic root of 13024025 is about 235.2782278792.

Adding to 13024025 its reverse (52042031), we get a palindrome (65066056).

The spelling of 13024025 in words is "thirteen million, twenty-four thousand, twenty-five".

Divisors: 1 5 7 19 25 35 95 133 175 475 665 3325 3917 19585 27419 74423 97925 137095 372115 520961 685475 1860575 2604805 13024025