12993322 has 4 divisors (see below), whose sum is σ = 19489986. Its totient is φ = 6496660.

The previous prime is 12993317. The next prime is 12993329. The reversal of 12993322 is 22339921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22339921 = 17 ⋅1314113.

It can be written as a sum of positive squares in only one way, i.e., 12383361 + 609961 = 3519^2 + 781^2 .

It is not an unprimeable number, because it can be changed into a prime (12993329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248329 + ... + 3248332.

Almost surely, 2^12993322 is an apocalyptic number.

12993322 is a deficient number, since it is larger than the sum of its proper divisors (6496664).

12993322 is an equidigital number, since it uses as much as digits as its factorization.

12993322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6496663.

The product of its digits is 5832, while the sum is 31.

The square root of 12993322 is about 3604.6250845268. The cubic root of 12993322 is about 235.0931997913.

The spelling of 12993322 in words is "twelve million, nine hundred ninety-three thousand, three hundred twenty-two".