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13432387 is a prime number
BaseRepresentation
bin110011001111…
…011001000011
3221021102202211
4303033121003
511414314022
61155522551
7222113323
oct63173103
927242684
1013432387
117644a51
1245b9457
132a23c77
141ad9283
1512a4e77
hexccf643

13432387 has 2 divisors, whose sum is σ = 13432388. Its totient is φ = 13432386.

The previous prime is 13432337. The next prime is 13432399. The reversal of 13432387 is 78323431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13432387 - 219 = 12908099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13432327) 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 as a sum of consecutive naturals, namely, 6716193 + 6716194.

It is an arithmetic number, because the mean of its divisors is an integer number (6716194).

Almost surely, 213432387 is an apocalyptic number.

13432387 is a deficient number, since it is larger than the sum of its proper divisors (1).

13432387 is an equidigital number, since it uses as much as digits as its factorization.

13432387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 13432387 is about 3665.0221008883. The cubic root of 13432387 is about 237.7119776893.

The spelling of 13432387 in words is "thirteen million, four hundred thirty-two thousand, three hundred eighty-seven".