1397702612 has 6 divisors (see below), whose sum is σ = 2445979578. Its totient is φ = 698851304.

The previous prime is 1397702599. The next prime is 1397702641. The reversal of 1397702612 is 2162077931.

It can be written as a sum of positive squares in only one way, i.e., 1207979536 + 189723076 = 34756^2 + 13774^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 174712823 + ... + 174712830.

It is an arithmetic number, because the mean of its divisors is an integer number (407663263).

Almost surely, 2^1397702612 is an apocalyptic number.

It is an amenable number.

1397702612 is a deficient number, since it is larger than the sum of its proper divisors (1048276966).

1397702612 is a wasteful number, since it uses less digits than its factorization.

1397702612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349425657 (or 349425655 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 1397702612 is about 37385.8611242272. The cubic root of 1397702612 is about 1118.0766874025.

The spelling of 1397702612 in words is "one billion, three hundred ninety-seven million, seven hundred two thousand, six hundred twelve".