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13672933 is a prime number
BaseRepresentation
bin110100001010…
…000111100101
3221201122201221
4310022013211
512000013213
61205020341
7224134531
oct64120745
927648657
1013672933
11779974a
1246b46b1
132aa95c1
141b5cbc1
15130138d
hexd0a1e5

13672933 has 2 divisors, whose sum is σ = 13672934. Its totient is φ = 13672932.

The previous prime is 13672927. The next prime is 13672937. The reversal of 13672933 is 33927631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7606564 + 6066369 = 2758^2 + 2463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13672933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13672937) 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, 6836466 + 6836467.

It is an arithmetic number, because the mean of its divisors is an integer number (6836467).

Almost surely, 213672933 is an apocalyptic number.

13672933 is the 1977-th centered heptagonal number.

It is an amenable number.

13672933 is a deficient number, since it is larger than the sum of its proper divisors (1).

13672933 is an equidigital number, since it uses as much as digits as its factorization.

13672933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 34.

The square root of 13672933 is about 3697.6929293818. The cubic root of 13672933 is about 239.1225657063.

The spelling of 13672933 in words is "thirteen million, six hundred seventy-two thousand, nine hundred thirty-three".