13409941 has 2 divisors, whose sum is σ = 13409942. Its totient is φ = 13409940.

The previous prime is 13409939. The next prime is 13409951. The reversal of 13409941 is 14990431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11222500 + 2187441 = 3350^2 + 1479^2 .

It is a cyclic number.

It is not a de Polignac number, because 13409941 - 2¹ = 13409939 is a prime.

Together with 13409939, it forms a pair of twin primes.

It is equal to p₈₇₄₁₉₂ and since 13409941 and 874192 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13409951) 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, 6704970 + 6704971.

It is an arithmetic number, because the mean of its divisors is an integer number (6704971).

Almost surely, 2^13409941 is an apocalyptic number.

It is an amenable number.

13409941 is a deficient number, since it is larger than the sum of its proper divisors (1).

13409941 is an equidigital number, since it uses as much as digits as its factorization.

13409941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13409941 is about 3661.9586289307. The cubic root of 13409941 is about 237.5794954568.

The spelling of 13409941 in words is "thirteen million, four hundred nine thousand, nine hundred forty-one".