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13372187 is a prime number
BaseRepresentation
bin110011000000…
…101100011011
3221011101012012
4303000230123
511410402222
61154340135
7221442653
oct63005433
927141165
1013372187
1176037a4
12458a64b
132a0274a
141ac1363
1512921e2
hexcc0b1b

13372187 has 2 divisors, whose sum is σ = 13372188. Its totient is φ = 13372186.

The previous prime is 13372171. The next prime is 13372189. The reversal of 13372187 is 78127331.

It is a strong prime.

It is an emirp because it is prime and its reverse (78127331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13372187 - 24 = 13372171 is a prime.

Together with 13372189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13372189) 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, 6686093 + 6686094.

It is an arithmetic number, because the mean of its divisors is an integer number (6686094).

Almost surely, 213372187 is an apocalyptic number.

13372187 is a deficient number, since it is larger than the sum of its proper divisors (1).

13372187 is an equidigital number, since it uses as much as digits as its factorization.

13372187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 32.

The square root of 13372187 is about 3656.8001039160. The cubic root of 13372187 is about 237.3563275092.

The spelling of 13372187 in words is "thirteen million, three hundred seventy-two thousand, one hundred eighty-seven".