1392912 has 60 divisors (see below), whose sum is σ = 4134780. Its totient is φ = 436224.

The previous prime is 1392901. The next prime is 1392943. The reversal of 1392912 is 2192931.

It can be written as a sum of positive squares in 2 ways, for example, as 646416 + 746496 = 804^2 + 864^2 .

It is a nude number because it is divisible by every one of its digits.

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, 2164 + ... + 2732.

It is an arithmetic number, because the mean of its divisors is an integer number (68913).

2^1392912 is an apocalyptic number.

1392912 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 1392912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2067390).

1392912 is an abundant number, since it is smaller than the sum of its proper divisors (2741868).

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

1392912 is a wasteful number, since it uses less digits than its factorization.

1392912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 591 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 1392912 is about 1180.2169292126. The cubic root of 1392912 is about 111.6797826231.

It can be divided in two parts, 1392 and 912, that added together give a square (2304 = 48²).

The spelling of 1392912 in words is "one million, three hundred ninety-two thousand, nine hundred twelve".