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13375237 is a prime number
BaseRepresentation
bin110011000001…
…011100000101
3221011112101011
4303001130011
511411001422
61154402221
7221454601
oct63013405
927145334
1013375237
117606017
124590371
132a03c55
141ac2501
151293077
hexcc1705

13375237 has 2 divisors, whose sum is σ = 13375238. Its totient is φ = 13375236.

The previous prime is 13375211. The next prime is 13375247. The reversal of 13375237 is 73257331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9431041 + 3944196 = 3071^2 + 1986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13375237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13375199 and 13375208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13375247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6687618 + 6687619.

It is an arithmetic number, because the mean of its divisors is an integer number (6687619).

Almost surely, 213375237 is an apocalyptic number.

It is an amenable number.

13375237 is a deficient number, since it is larger than the sum of its proper divisors (1).

13375237 is an equidigital number, since it uses as much as digits as its factorization.

13375237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 31.

The square root of 13375237 is about 3657.2171114114. The cubic root of 13375237 is about 237.3743719713.

The spelling of 13375237 in words is "thirteen million, three hundred seventy-five thousand, two hundred thirty-seven".