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12047453 = 111095223
BaseRepresentation
bin101101111101…
…010001011101
3211200001222222
4231331101131
511041004303
61110115125
7204254525
oct55752135
924601888
1012047453
116889480
12404baa5
13265a792
141858685
1510ce938
hexb7d45d

12047453 has 4 divisors (see below), whose sum is σ = 13142688. Its totient is φ = 10952220.

The previous prime is 12047449. The next prime is 12047473. The reversal of 12047453 is 35474021.

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 12047453 - 22 = 12047449 is a prime.

It is a super-4 number, since 4×120474534 (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047473) 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, 547601 + ... + 547622.

It is an arithmetic number, because the mean of its divisors is an integer number (3285672).

Almost surely, 212047453 is an apocalyptic number.

It is an amenable number.

12047453 is a deficient number, since it is larger than the sum of its proper divisors (1095235).

12047453 is a wasteful number, since it uses less digits than its factorization.

12047453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095234.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 12047453 is about 3470.9441078761. The cubic root of 12047453 is about 229.2442300683.

The spelling of 12047453 in words is "twelve million, forty-seven thousand, four hundred fifty-three".

Divisors: 1 11 1095223 12047453