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12542801 is a prime number
BaseRepresentation
bin101111110110…
…001101010001
3212121020111012
4233312031101
511202332201
61124500305
7211416635
oct57661521
925536435
1012542801
117097657
12424a695
1327a209b
141946dc5
15117b5bb
hexbf6351

12542801 has 2 divisors, whose sum is σ = 12542802. Its totient is φ = 12542800.

The previous prime is 12542791. The next prime is 12542807. The reversal of 12542801 is 10824521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11723776 + 819025 = 3424^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 12542801 - 26 = 12542737 is a prime.

It is not a weakly prime, because it can be changed into another prime (12542807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6271400 + 6271401.

It is an arithmetic number, because the mean of its divisors is an integer number (6271401).

Almost surely, 212542801 is an apocalyptic number.

It is an amenable number.

12542801 is a deficient number, since it is larger than the sum of its proper divisors (1).

12542801 is an equidigital number, since it uses as much as digits as its factorization.

12542801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 12542801 is about 3541.5817087849. The cubic root of 12542801 is about 232.3440261155.

The spelling of 12542801 in words is "twelve million, five hundred forty-two thousand, eight hundred one".