13402205306246 has 4 divisors (see below), whose sum is σ = 20103307959372. Its totient is φ = 6701102653122.

The previous prime is 13402205306093. The next prime is 13402205306297. The reversal of 13402205306246 is 64260350220431.

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

It is a super-2 number, since 2×13402205306246² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3350551326560 + ... + 3350551326563.

It is an arithmetic number, because the mean of its divisors is an integer number (5025826989843).

Almost surely, 2^{13402205306246} is an apocalyptic number.

13402205306246 is a deficient number, since it is larger than the sum of its proper divisors (6701102653126).

13402205306246 is an equidigital number, since it uses as much as digits as its factorization.

13402205306246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701102653125.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 13402205306246 its reverse (64260350220431), we get a palindrome (77662555526677).

It can be divided in two parts, 1340220 and 5306246, that added together give a palindrome (6646466).

The spelling of 13402205306246 in words is "thirteen trillion, four hundred two billion, two hundred five million, three hundred six thousand, two hundred forty-six".