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12576973 is a prime number
BaseRepresentation
bin101111111110…
…100011001101
3212122222100211
4233332203031
511204430343
61125322421
7211621363
oct57764315
925588324
1012576973
1171102a2
124266411
1327b47c6
141955633
15118679d
hexbfe8cd

12576973 has 2 divisors, whose sum is σ = 12576974. Its totient is φ = 12576972.

The previous prime is 12576961. The next prime is 12576983. The reversal of 12576973 is 37967521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6441444 + 6135529 = 2538^2 + 2477^2 .

It is an emirp because it is prime and its reverse (37967521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12576973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12576943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288486 + 6288487.

It is an arithmetic number, because the mean of its divisors is an integer number (6288487).

Almost surely, 212576973 is an apocalyptic number.

It is an amenable number.

12576973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12576973 is an equidigital number, since it uses as much as digits as its factorization.

12576973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 40.

The square root of 12576973 is about 3546.4028253993. The cubic root of 12576973 is about 232.5548365663.

The spelling of 12576973 in words is "twelve million, five hundred seventy-six thousand, nine hundred seventy-three".