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13420807 is a prime number
BaseRepresentation
bin110011001100…
…100100000111
3221020211212221
4303030210013
511413431212
61155353211
7222034501
oct63144407
927224787
1013420807
117637284
1245b2807
132a1b90a
141ad4d71
1512a1807
hexccc907

13420807 has 2 divisors, whose sum is σ = 13420808. Its totient is φ = 13420806.

The previous prime is 13420801. The next prime is 13420873. The reversal of 13420807 is 70802431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13420807 - 219 = 12896519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13420801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710403 + 6710404.

It is an arithmetic number, because the mean of its divisors is an integer number (6710404).

Almost surely, 213420807 is an apocalyptic number.

13420807 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420807 is an equidigital number, since it uses as much as digits as its factorization.

13420807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 13420807 is about 3663.4419607795. The cubic root of 13420807 is about 237.6436479102.

The spelling of 13420807 in words is "thirteen million, four hundred twenty thousand, eight hundred seven".