13822747 has 16 divisors (see below), whose sum is σ = 15528960. Its totient is φ = 12241152.

The previous prime is 13822741. The next prime is 13822801. The reversal of 13822747 is 74722831.

It is not a de Polignac number, because 13822747 - 2⁷ = 13822619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13822741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20203 + ... + 20875.

It is an arithmetic number, because the mean of its divisors is an integer number (970560).

Almost surely, 2^13822747 is an apocalyptic number.

13822747 is a deficient number, since it is larger than the sum of its proper divisors (1706213).

13822747 is a wasteful number, since it uses less digits than its factorization.

13822747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

The product of its digits is 18816, while the sum is 34.

The square root of 13822747 is about 3717.8955068694. The cubic root of 13822747 is about 239.9927486235.

The spelling of 13822747 in words is "thirteen million, eight hundred twenty-two thousand, seven hundred forty-seven".