1399599912772 has 24 divisors (see below), whose sum is σ = 2495574735192. Its totient is φ = 686579212800.

The previous prime is 1399599912751. The next prime is 1399599912917. The reversal of 1399599912772 is 2772199959931.

It can be written as a sum of positive squares in 4 ways, for example, as 583063579396 + 816536333376 = 763586^2 + 903624^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1399599912695 and 1399599912704.

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 in 7 ways as a sum of consecutive naturals, for example, 15677622 + ... + 15766642.

It is an arithmetic number, because the mean of its divisors is an integer number (103982280633).

Almost surely, 2^{1399599912772} is an apocalyptic number.

It is an amenable number.

1399599912772 is a deficient number, since it is larger than the sum of its proper divisors (1095974822420).

1399599912772 is a wasteful number, since it uses less digits than its factorization.

1399599912772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163239 (or 163237 counting only the distinct ones).

The product of its digits is 173604060, while the sum is 73.

The spelling of 1399599912772 in words is "one trillion, three hundred ninety-nine billion, five hundred ninety-nine million, nine hundred twelve thousand, seven hundred seventy-two".