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12458053 = 19655687
BaseRepresentation
bin101111100001…
…100001000101
3212102221020101
4233201201011
511142124203
61123004101
7210614566
oct57414105
925387211
1012458053
117039a13
124209631
13277263a
14192416d
15116141d
hexbe1845

12458053 has 4 divisors (see below), whose sum is σ = 13113760. Its totient is φ = 11802348.

The previous prime is 12458041. The next prime is 12458057. The reversal of 12458053 is 35085421.

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.

It is a cyclic number.

It is not a de Polignac number, because 12458053 - 213 = 12449861 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 (12458057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327825 + ... + 327862.

It is an arithmetic number, because the mean of its divisors is an integer number (3278440).

Almost surely, 212458053 is an apocalyptic number.

It is an amenable number.

12458053 is a deficient number, since it is larger than the sum of its proper divisors (655707).

12458053 is an equidigital number, since it uses as much as digits as its factorization.

12458053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655706.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 12458053 is about 3529.5967191735. The cubic root of 12458053 is about 231.8195497828.

The spelling of 12458053 in words is "twelve million, four hundred fifty-eight thousand, fifty-three".

Divisors: 1 19 655687 12458053