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13611371 is a prime number
BaseRepresentation
bin110011111011…
…000101101011
3221121112021212
4303323011223
511441030441
61203423335
7223460204
oct63730553
927545255
1013611371
117757474
124684b4b
132a87587
141b445ab
1512dceeb
hexcfb16b

13611371 has 2 divisors, whose sum is σ = 13611372. Its totient is φ = 13611370.

The previous prime is 13611343. The next prime is 13611379. The reversal of 13611371 is 17311631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13611371 - 26 = 13611307 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13611379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6805685 + 6805686.

It is an arithmetic number, because the mean of its divisors is an integer number (6805686).

Almost surely, 213611371 is an apocalyptic number.

13611371 is a deficient number, since it is larger than the sum of its proper divisors (1).

13611371 is an equidigital number, since it uses as much as digits as its factorization.

13611371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378, while the sum is 23.

The square root of 13611371 is about 3689.3591584447. The cubic root of 13611371 is about 238.7631448406.

The spelling of 13611371 in words is "thirteen million, six hundred eleven thousand, three hundred seventy-one".