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12572377 is a prime number
BaseRepresentation
bin101111111101…
…011011011001
3212122202001121
4233331123121
511204304002
61125245241
7211602106
oct57753331
925582047
1012572377
1171078a4
124263821
1327b269c
141953aad
151185237
hexbfd6d9

12572377 has 2 divisors, whose sum is σ = 12572378. Its totient is φ = 12572376.

The previous prime is 12572347. The next prime is 12572419. The reversal of 12572377 is 77327521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11182336 + 1390041 = 3344^2 + 1179^2 .

It is a cyclic number.

It is not a de Polignac number, because 12572377 - 27 = 12572249 is a prime.

It is not a weakly prime, because it can be changed into another prime (12572317) 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 as a sum of consecutive naturals, namely, 6286188 + 6286189.

It is an arithmetic number, because the mean of its divisors is an integer number (6286189).

Almost surely, 212572377 is an apocalyptic number.

It is an amenable number.

12572377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12572377 is an equidigital number, since it uses as much as digits as its factorization.

12572377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20580, while the sum is 34.

The square root of 12572377 is about 3545.7547856557. The cubic root of 12572377 is about 232.5265056304.

Adding to 12572377 its reverse (77327521), we get a palindrome (89899898).

The spelling of 12572377 in words is "twelve million, five hundred seventy-two thousand, three hundred seventy-seven".