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13272157 is a prime number
BaseRepresentation
bin110010101000…
…010001011101
3220222021222101
4302220101131
511344202112
61152245101
7220545223
oct62502135
926867871
1013272157
117545628
124540791
132999062
141a96b13
151272757
hexca845d

13272157 has 2 divisors, whose sum is σ = 13272158. Its totient is φ = 13272156.

The previous prime is 13272143. The next prime is 13272229. The reversal of 13272157 is 75127231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11215801 + 2056356 = 3349^2 + 1434^2 .

It is a cyclic number.

It is not a de Polignac number, because 13272157 - 27 = 13272029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13272757) 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, 6636078 + 6636079.

It is an arithmetic number, because the mean of its divisors is an integer number (6636079).

Almost surely, 213272157 is an apocalyptic number.

It is an amenable number.

13272157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13272157 is an equidigital number, since it uses as much as digits as its factorization.

13272157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 28.

The square root of 13272157 is about 3643.0971713639. The cubic root of 13272157 is about 236.7630014043.

Adding to 13272157 its reverse (75127231), we get a palindrome (88399388).

The spelling of 13272157 in words is "thirteen million, two hundred seventy-two thousand, one hundred fifty-seven".