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12535073 = 61205493
BaseRepresentation
bin101111110100…
…010100100001
3212120211212222
4233310110201
511202110243
61124400425
7211355255
oct57642441
925524788
1012535073
117091871
124246115
13279b705
141944265
151179168
hexbf4521

12535073 has 4 divisors (see below), whose sum is σ = 12740628. Its totient is φ = 12329520.

The previous prime is 12535063. The next prime is 12535087. The reversal of 12535073 is 37053521.

12535073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1697809 + 10837264 = 1303^2 + 3292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12535073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12535013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102686 + ... + 102807.

It is an arithmetic number, because the mean of its divisors is an integer number (3185157).

Almost surely, 212535073 is an apocalyptic number.

It is an amenable number.

12535073 is a deficient number, since it is larger than the sum of its proper divisors (205555).

12535073 is an equidigital number, since it uses as much as digits as its factorization.

12535073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205554.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 12535073 is about 3540.4905027411. The cubic root of 12535073 is about 232.2962982455.

Adding to 12535073 its reverse (37053521), we get a palindrome (49588594).

The spelling of 12535073 in words is "twelve million, five hundred thirty-five thousand, seventy-three".

Divisors: 1 61 205493 12535073