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12371053 = 174117749
BaseRepresentation
bin101111001100…
…010001101101
3212021111220011
4233030101231
511131333203
61121053221
7210103132
oct57142155
925244804
1012371053
116a8a612
124187211
132741b66
141900589
15114576d
hexbcc46d

12371053 has 8 divisors (see below), whose sum is σ = 13419000. Its totient is φ = 11358720.

The previous prime is 12371039. The next prime is 12371113. The reversal of 12371053 is 35017321.

It can be written as a sum of positive squares in 4 ways, for example, as 1764 + 12369289 = 42^2 + 3517^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-12371053 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 (12371153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8178 + ... + 9571.

It is an arithmetic number, because the mean of its divisors is an integer number (1677375).

Almost surely, 212371053 is an apocalyptic number.

It is an amenable number.

12371053 is a deficient number, since it is larger than the sum of its proper divisors (1047947).

12371053 is a wasteful number, since it uses less digits than its factorization.

12371053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17807.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 12371053 is about 3517.2507729760. The cubic root of 12371053 is about 231.2786564926.

Adding to 12371053 its reverse (35017321), we get a palindrome (47388374).

The spelling of 12371053 in words is "twelve million, three hundred seventy-one thousand, fifty-three".

Divisors: 1 17 41 697 17749 301733 727709 12371053