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13937369 is a prime number
BaseRepresentation
bin110101001010…
…101011011001
3222020002110212
4311022223121
512031443434
61214420505
7226315505
oct65125331
928202425
1013937369
11795a396
124801735
132b6ca84
141bcb305
1513548ce
hexd4aad9

13937369 has 2 divisors, whose sum is σ = 13937370. Its totient is φ = 13937368.

The previous prime is 13937359. The next prime is 13937377. The reversal of 13937369 is 96373931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13053769 + 883600 = 3613^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 13937369 - 220 = 12888793 is a prime.

It is a super-2 number, since 2×139373692 = 388500509284322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13937359) 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, 6968684 + 6968685.

It is an arithmetic number, because the mean of its divisors is an integer number (6968685).

Almost surely, 213937369 is an apocalyptic number.

It is an amenable number.

13937369 is a deficient number, since it is larger than the sum of its proper divisors (1).

13937369 is an equidigital number, since it uses as much as digits as its factorization.

13937369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 41.

The square root of 13937369 is about 3733.2785859081. The cubic root of 13937369 is about 240.6542852759.

The spelling of 13937369 in words is "thirteen million, nine hundred thirty-seven thousand, three hundred sixty-nine".