13422783 has 16 divisors (see below), whose sum is σ = 20155392. Its totient is φ = 7872000.

The previous prime is 13422781. The next prime is 13422791. The reversal of 13422783 is 38722431.

It is not a de Polignac number, because 13422783 - 2¹ = 13422781 is a prime.

It is a super-2 number, since 2×13422783² = 360342206930178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13422783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13422781) 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, 5538 + ... + 7583.

It is an arithmetic number, because the mean of its divisors is an integer number (1259712).

Almost surely, 2^13422783 is an apocalyptic number.

13422783 is a deficient number, since it is larger than the sum of its proper divisors (6732609).

13422783 is a wasteful number, since it uses less digits than its factorization.

13422783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13166.

The product of its digits is 8064, while the sum is 30.

The square root of 13422783 is about 3663.7116425832. The cubic root of 13422783 is about 237.6553104181.

The spelling of 13422783 in words is "thirteen million, four hundred twenty-two thousand, seven hundred eighty-three".