1311452693 has 8 divisors (see below), whose sum is σ = 1329062400. Its totient is φ = 1293868368.

The previous prime is 1311452689. The next prime is 1311452717. The reversal of 1311452693 is 3962541131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311452693 - 2² = 1311452689 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311452633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112388 + ... + 123506.

It is an arithmetic number, because the mean of its divisors is an integer number (166132800).

Almost surely, 2^1311452693 is an apocalyptic number.

It is an amenable number.

1311452693 is a deficient number, since it is larger than the sum of its proper divisors (17609707).

1311452693 is a wasteful number, since it uses less digits than its factorization.

1311452693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12691.

The product of its digits is 19440, while the sum is 35.

The square root of 1311452693 is about 36213.9847710798. The cubic root of 1311452693 is about 1094.5884883640.

The spelling of 1311452693 in words is "one billion, three hundred eleven million, four hundred fifty-two thousand, six hundred ninety-three".