1392986112 has 192 divisors, whose sum is σ = 4337424000. Its totient is φ = 397393920.

The previous prime is 1392986107. The next prime is 1392986117. The reversal of 1392986112 is 2116892931.

It is an interprime number because it is at equal distance from previous prime (1392986107) and next prime (1392986117).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1392986117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2107062 + ... + 2107722.

It is an arithmetic number, because the mean of its divisors is an integer number (22590750).

Almost surely, 2^1392986112 is an apocalyptic number.

1392986112 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 1392986112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2168712000).

1392986112 is an abundant number, since it is smaller than the sum of its proper divisors (2944437888).

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

1392986112 is an frugal number, since it uses more digits than its factorization.

1392986112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 673 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 1392986112 is about 37322.7291606603. The cubic root of 1392986112 is about 1116.8176328554.

The spelling of 1392986112 in words is "one billion, three hundred ninety-two million, nine hundred eighty-six thousand, one hundred twelve".