13123346 has 4 divisors (see below), whose sum is σ = 19685022. Its totient is φ = 6561672.

The previous prime is 13123343. The next prime is 13123349. The reversal of 13123346 is 64332131.

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

It is an interprime number because it is at equal distance from previous prime (13123343) and next prime (13123349).

It can be written as a sum of positive squares in only one way, i.e., 12145225 + 978121 = 3485^2 + 989^2 .

It is not an unprimeable number, because it can be changed into a prime (13123343) 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, 3280835 + ... + 3280838.

Almost surely, 2^13123346 is an apocalyptic number.

13123346 is a deficient number, since it is larger than the sum of its proper divisors (6561676).

13123346 is an equidigital number, since it uses as much as digits as its factorization.

13123346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561675.

The product of its digits is 1296, while the sum is 23.

The square root of 13123346 is about 3622.6159056682. The cubic root of 13123346 is about 235.8747899445.

Adding to 13123346 its reverse (64332131), we get a palindrome (77455477).

The spelling of 13123346 in words is "thirteen million, one hundred twenty-three thousand, three hundred forty-six".