12782922 has 16 divisors (see below), whose sum is σ = 25754112. Its totient is φ = 4229600.

The previous prime is 12782921. The next prime is 12782933. The reversal of 12782922 is 22928721.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12782921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6954 + ... + 8597.

It is an arithmetic number, because the mean of its divisors is an integer number (1609632).

Almost surely, 2^12782922 is an apocalyptic number.

12782922 is an abundant number, since it is smaller than the sum of its proper divisors (12971190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12782922 is a wasteful number, since it uses less digits than its factorization.

12782922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15693.

The product of its digits is 8064, while the sum is 33.

The square root of 12782922 is about 3575.3212443080. The cubic root of 12782922 is about 233.8173386402.

The spelling of 12782922 in words is "twelve million, seven hundred eighty-two thousand, nine hundred twenty-two".