13123602564452 has 6 divisors (see below), whose sum is σ = 22966304487798. Its totient is φ = 6561801282224.

The previous prime is 13123602564439. The next prime is 13123602564491. The reversal of 13123602564452 is 25446520632131.

It can be written as a sum of positive squares in only one way, i.e., 12687231343396 + 436371221056 = 3561914^2 + 660584^2 .

It is a super-2 number, since 2×13123602564452² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640450320553 + ... + 1640450320560.

It is an arithmetic number, because the mean of its divisors is an integer number (3827717414633).

Almost surely, 2^{13123602564452} is an apocalyptic number.

It is an amenable number.

13123602564452 is a deficient number, since it is larger than the sum of its proper divisors (9842701923346).

13123602564452 is a wasteful number, since it uses less digits than its factorization.

13123602564452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280900641117 (or 3280900641115 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 13123602564452 in words is "thirteen trillion, one hundred twenty-three billion, six hundred two million, five hundred sixty-four thousand, four hundred fifty-two".