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13441391 is a prime number
BaseRepresentation
bin110011010001…
…100101101111
3221021220010022
4303101211233
511420111031
61200032355
7222151505
oct63214557
927256108
1013441391
117650797
1246026bb
132a280b2
141adc675
1512a797b
hexcd196f

13441391 has 2 divisors, whose sum is σ = 13441392. Its totient is φ = 13441390.

The previous prime is 13441369. The next prime is 13441409. The reversal of 13441391 is 19314431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13441391 - 222 = 9247087 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13441391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13441331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6720695 + 6720696.

It is an arithmetic number, because the mean of its divisors is an integer number (6720696).

Almost surely, 213441391 is an apocalyptic number.

13441391 is a deficient number, since it is larger than the sum of its proper divisors (1).

13441391 is an equidigital number, since it uses as much as digits as its factorization.

13441391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 13441391 is about 3666.2502642346. The cubic root of 13441391 is about 237.7650802040.

The spelling of 13441391 in words is "thirteen million, four hundred forty-one thousand, three hundred ninety-one".