12746393455 has 8 divisors (see below), whose sum is σ = 15336032400. Its totient is φ = 10170207936.

The previous prime is 12746393423. The next prime is 12746393459. The reversal of 12746393455 is 55439364721.

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 12746393455 - 2⁵ = 12746393423 is a prime.

It is a super-2 number, since 2×12746393455² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12746393399 and 12746393408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12746393459) 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, 3361270 + ... + 3365059.

It is an arithmetic number, because the mean of its divisors is an integer number (1917004050).

Almost surely, 2^12746393455 is an apocalyptic number.

12746393455 is a deficient number, since it is larger than the sum of its proper divisors (2589638945).

12746393455 is an equidigital number, since it uses as much as digits as its factorization.

12746393455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726713.

The product of its digits is 2721600, while the sum is 49.

The spelling of 12746393455 in words is "twelve billion, seven hundred forty-six million, three hundred ninety-three thousand, four hundred fifty-five".