1326456613397 has 8 divisors (see below), whose sum is σ = 1343302314240. Its totient is φ = 1309612290480.

The previous prime is 1326456613381. The next prime is 1326456613399. The reversal of 1326456613397 is 7933166546231.

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 1326456613397 - 2⁴ = 1326456613381 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 (1326456613399) 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, 1667147 + ... + 2330727.

It is an arithmetic number, because the mean of its divisors is an integer number (167912789280).

Almost surely, 2^{1326456613397} is an apocalyptic number.

It is an amenable number.

1326456613397 is a deficient number, since it is larger than the sum of its proper divisors (16845700843).

1326456613397 is an equidigital number, since it uses as much as digits as its factorization.

1326456613397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688963.

The product of its digits is 14696640, while the sum is 56.

The spelling of 1326456613397 in words is "one trillion, three hundred twenty-six billion, four hundred fifty-six million, six hundred thirteen thousand, three hundred ninety-seven".