13055447 has 2 divisors, whose sum is σ = 13055448. Its totient is φ = 13055446.

The previous prime is 13055431. The next prime is 13055453. The reversal of 13055447 is 74455031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13055447 - 2⁴ = 13055431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13055417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6527723 + 6527724.

It is an arithmetic number, because the mean of its divisors is an integer number (6527724).

Almost surely, 2^13055447 is an apocalyptic number.

13055447 is a deficient number, since it is larger than the sum of its proper divisors (1).

13055447 is an equidigital number, since it uses as much as digits as its factorization.

13055447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 13055447 is about 3613.2322095321. The cubic root of 13055447 is about 235.4672880969.

It can be divided in two parts, 1305 and 5447, that multiplied together give a triangular number (7108335 = T₃₇₇₀).

The spelling of 13055447 in words is "thirteen million, fifty-five thousand, four hundred forty-seven".