13206959003044 has 81 divisors (see below), whose sum is σ = 24344086505697. Its totient is φ = 6268800830688.

The previous prime is 13206959002997. The next prime is 13206959003059. The reversal of 13206959003044 is 44030095960231.

The square root of 13206959003044 is 3634138.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8850922502500 + 4356036500544 = 2975050^2 + 2087112^2 .

It is a super-2 number, since 2×13206959003044² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13206959002985 and 13206959003003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 33266899054 + ... + 33266899450.

Almost surely, 2^{13206959003044} is an apocalyptic number.

13206959003044 is the 3634138-th square number.

It is an amenable number.

13206959003044 is a deficient number, since it is larger than the sum of its proper divisors (11137127502653).

13206959003044 is an frugal number, since it uses more digits than its factorization.

13206959003044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 13206959003044 in words is "thirteen trillion, two hundred six billion, nine hundred fifty-nine million, three thousand, forty-four".