1352666997 has 12 divisors (see below), whose sum is σ = 2131475424. Its totient is φ = 819798120.

The previous prime is 1352666971. The next prime is 1352667011. The reversal of 1352666997 is 7996662531.

It is not a de Polignac number, because 1352666997 - 2¹⁶ = 1352601461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352666197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6831553 + ... + 6831750.

It is an arithmetic number, because the mean of its divisors is an integer number (177622952).

Almost surely, 2^1352666997 is an apocalyptic number.

It is an amenable number.

1352666997 is a deficient number, since it is larger than the sum of its proper divisors (778808427).

1352666997 is a wasteful number, since it uses less digits than its factorization.

1352666997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13663320 (or 13663317 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 1352666997 is about 36778.6214668250. The cubic root of 1352666997 is about 1105.9367709189.

The spelling of 1352666997 in words is "one billion, three hundred fifty-two million, six hundred sixty-six thousand, nine hundred ninety-seven".