1315923 has 16 divisors (see below), whose sum is σ = 2021376. Its totient is φ = 745920.

The previous prime is 1315907. The next prime is 1315927. The reversal of 1315923 is 3295131.

It is a happy number.

It is not a de Polignac number, because 1315923 - 2⁴ = 1315907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1315893 and 1315902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315927) 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, 4543 + ... + 4823.

It is an arithmetic number, because the mean of its divisors is an integer number (126336).

2^1315923 is an apocalyptic number.

1315923 is a deficient number, since it is larger than the sum of its proper divisors (705453).

1315923 is a wasteful number, since it uses less digits than its factorization.

1315923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

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

The square root of 1315923 is about 1147.1368706480. The cubic root of 1315923 is about 109.5830774217.

The spelling of 1315923 in words is "one million, three hundred fifteen thousand, nine hundred twenty-three".