1315392 has 112 divisors (see below), whose sum is σ = 4096512. Its totient is φ = 368640.

The previous prime is 1315373. The next prime is 1315397. The reversal of 1315392 is 2935131.

It is a happy number.

It is a super-2 number, since 2×1315392² = 3460512227328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42417 + ... + 42447.

It is an arithmetic number, because the mean of its divisors is an integer number (36576).

2^1315392 is an apocalyptic number.

1315392 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 1315392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2048256).

1315392 is an abundant number, since it is smaller than the sum of its proper divisors (2781120).

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

1315392 is a wasteful number, since it uses less digits than its factorization.

1315392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 66 counting only the distinct ones).

The product of its digits is 810, while the sum is 24.

The square root of 1315392 is about 1146.9054015044. The cubic root of 1315392 is about 109.5683358189.

The spelling of 1315392 in words is "one million, three hundred fifteen thousand, three hundred ninety-two".