13122002 has 4 divisors (see below), whose sum is σ = 19683006. Its totient is φ = 6561000.

The previous prime is 13122001. The next prime is 13122037. The reversal of 13122002 is 20022131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12880921 + 241081 = 3589^2 + 491^2 .

It is not an unprimeable number, because it can be changed into a prime (13122001) 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, 3280499 + ... + 3280502.

Almost surely, 2^13122002 is an apocalyptic number.

13122002 is a deficient number, since it is larger than the sum of its proper divisors (6561004).

13122002 is an equidigital number, since it uses as much as digits as its factorization.

13122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561003.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 13122002 is about 3622.4303996074. The cubic root of 13122002 is about 235.8667374621.

Adding to 13122002 its reverse (20022131), we get a palindrome (33144133).

It can be divided in two parts, 1312200 and 2, that multiplied together give a square (2624400 = 1620²).

The spelling of 13122002 in words is "thirteen million, one hundred twenty-two thousand, two".