1396386693072 has 120 divisors (see below), whose sum is σ = 4469943558080. Its totient is φ = 398635084800.

The previous prime is 1396386693043. The next prime is 1396386693073. The reversal of 1396386693072 is 2703966836931.

1396386693072 is a `hidden beast` number, since 1 + 396 + 38 + 66 + 93 + 0 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396386693073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 633879 + ... + 1787337.

Almost surely, 2^{1396386693072} is an apocalyptic number.

1396386693072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1396386693072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2234971779040).

1396386693072 is an abundant number, since it is smaller than the sum of its proper divisors (3073556865008).

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

1396386693072 is a wasteful number, since it uses less digits than its factorization.

1396386693072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154681 (or 1154672 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 63.

The spelling of 1396386693072 in words is "one trillion, three hundred ninety-six billion, three hundred eighty-six million, six hundred ninety-three thousand, seventy-two".