12704605065400 has 48 divisors (see below), whose sum is σ = 29598366286440. Its totient is φ = 5071492003200.

The previous prime is 12704605065287. The next prime is 12704605065487. The reversal of 12704605065400 is 456050640721.

It is a happy number.

It is a super-2 number, since 2×12704605065400² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64589199 + ... + 64785598.

Almost surely, 2^{12704605065400} is an apocalyptic number.

12704605065400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12704605065400 is an abundant number, since it is smaller than the sum of its proper divisors (16893761221040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12704605065400 is a wasteful number, since it uses less digits than its factorization.

12704605065400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129375304 (or 129375295 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 12704605065400 in words is "twelve trillion, seven hundred four billion, six hundred five million, sixty-five thousand, four hundred".