13381747 has 2 divisors, whose sum is σ = 13381748. Its totient is φ = 13381746.

The previous prime is 13381727. The next prime is 13381751. The reversal of 13381747 is 74718331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13381747 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (13381717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6690873 + 6690874.

It is an arithmetic number, because the mean of its divisors is an integer number (6690874).

Almost surely, 2^13381747 is an apocalyptic number.

13381747 is a deficient number, since it is larger than the sum of its proper divisors (1).

13381747 is an equidigital number, since it uses as much as digits as its factorization.

13381747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 13381747 is about 3658.1070241315. The cubic root of 13381747 is about 237.4128773705.

The spelling of 13381747 in words is "thirteen million, three hundred eighty-one thousand, seven hundred forty-seven".