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13372279 is a prime number
BaseRepresentation
bin110011000000…
…101101110111
3221011101022121
4303000231313
511410403104
61154340411
7221443144
oct63005567
927141277
1013372279
117603878
12458a707
132a027bb
141ac13cb
151292254
hexcc0b77

13372279 has 2 divisors, whose sum is σ = 13372280. Its totient is φ = 13372278.

The previous prime is 13372267. The next prime is 13372297. The reversal of 13372279 is 97227331.

Together with next prime (13372297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13372279 - 29 = 13371767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13372679) 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, 6686139 + 6686140.

It is an arithmetic number, because the mean of its divisors is an integer number (6686140).

Almost surely, 213372279 is an apocalyptic number.

13372279 is a deficient number, since it is larger than the sum of its proper divisors (1).

13372279 is an equidigital number, since it uses as much as digits as its factorization.

13372279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 13372279 is about 3656.8126831983. The cubic root of 13372279 is about 237.3568718413.

The spelling of 13372279 in words is "thirteen million, three hundred seventy-two thousand, two hundred seventy-nine".