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12252653 = 71750379
BaseRepresentation
bin101110101111…
…010111101101
3212001111110222
4232233113231
511114041103
61114341125
7206101010
oct56572755
925044428
1012252653
116a09666
12412a7a5
1326cccba
1418ad377
151120638
hexbaf5ed

12252653 has 4 divisors (see below), whose sum is σ = 14003040. Its totient is φ = 10502268.

The previous prime is 12252649. The next prime is 12252659. The reversal of 12252653 is 35625221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35625221 = 261713613.

It is not a de Polignac number, because 12252653 - 22 = 12252649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875183 + ... + 875196.

It is an arithmetic number, because the mean of its divisors is an integer number (3500760).

Almost surely, 212252653 is an apocalyptic number.

It is an amenable number.

12252653 is a deficient number, since it is larger than the sum of its proper divisors (1750387).

12252653 is an equidigital number, since it uses as much as digits as its factorization.

12252653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750386.

The product of its digits is 3600, while the sum is 26.

The square root of 12252653 is about 3500.3789794821. The cubic root of 12252653 is about 230.5384548813.

Adding to 12252653 its reverse (35625221), we get a palindrome (47877874).

The spelling of 12252653 in words is "twelve million, two hundred fifty-two thousand, six hundred fifty-three".

Divisors: 1 7 1750379 12252653