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13272551 is a prime number
BaseRepresentation
bin110010101000…
…010111100111
3220222022111222
4302220113213
511344210201
61152250555
7220546325
oct62502747
926868458
1013272551
117545956
124540a5b
1329992a6
141a96d15
15127291b
hexca85e7

13272551 has 2 divisors, whose sum is σ = 13272552. Its totient is φ = 13272550.

The previous prime is 13272491. The next prime is 13272559. The reversal of 13272551 is 15527231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13272551 - 26 = 13272487 is a prime.

It is a super-2 number, since 2×132725512 = 352321220095202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13272551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13272559) 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, 6636275 + 6636276.

It is an arithmetic number, because the mean of its divisors is an integer number (6636276).

Almost surely, 213272551 is an apocalyptic number.

13272551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13272551 is an equidigital number, since it uses as much as digits as its factorization.

13272551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 26.

The square root of 13272551 is about 3643.1512458310. The cubic root of 13272551 is about 236.7653442462.

Adding to 13272551 its reverse (15527231), we get a palindrome (28799782).

The spelling of 13272551 in words is "thirteen million, two hundred seventy-two thousand, five hundred fifty-one".