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12525023 = 73157719
BaseRepresentation
bin101111110001…
…110111011111
3212120100002202
4233301313133
511201300043
61124242115
7211314050
oct57616737
925510082
1012525023
117085265
12424033b
132796c74
141940727
1511761b8
hexbf1ddf

12525023 has 8 divisors (see below), whose sum is σ = 14776320. Its totient is φ = 10389240.

The previous prime is 12524977. The next prime is 12525043. The reversal of 12525023 is 32052521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12525023 - 210 = 12523999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12524986 and 12525004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28643 + ... + 29076.

It is an arithmetic number, because the mean of its divisors is an integer number (1847040).

Almost surely, 212525023 is an apocalyptic number.

12525023 is a deficient number, since it is larger than the sum of its proper divisors (2251297).

12525023 is an equidigital number, since it uses as much as digits as its factorization.

12525023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57757.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 12525023 is about 3539.0709232792. The cubic root of 12525023 is about 232.2342004290.

Adding to 12525023 its reverse (32052521), we get a palindrome (44577544).

The spelling of 12525023 in words is "twelve million, five hundred twenty-five thousand, twenty-three".

Divisors: 1 7 31 217 57719 404033 1789289 12525023