13361212064 has 24 divisors (see below), whose sum is σ = 26407256148. Its totient is φ = 6654607360.

The previous prime is 13361212063. The next prime is 13361212069. The reversal of 13361212064 is 46021216331.

It can be written as a sum of positive squares in 2 ways, for example, as 11999011600 + 1362200464 = 109540^2 + 36908^2 .

It is not an unprimeable number, because it can be changed into a prime (13361212063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804107 + ... + 820554.

Almost surely, 2^13361212064 is an apocalyptic number.

It is an amenable number.

13361212064 is a deficient number, since it is larger than the sum of its proper divisors (13046044084).

13361212064 is a wasteful number, since it uses less digits than its factorization.

13361212064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624928 (or 1624920 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 13361212064 its reverse (46021216331), we get a palindrome (59382428395).

The spelling of 13361212064 in words is "thirteen billion, three hundred sixty-one million, two hundred twelve thousand, sixty-four".