1315804 has 12 divisors (see below), whose sum is σ = 2631664. Its totient is φ = 563904.

The previous prime is 1315801. The next prime is 1315823. The reversal of 1315804 is 4085131.

1315804 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23469 + ... + 23524.

2^1315804 is an apocalyptic number.

1315804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1315804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1315804 is a wasteful number, since it uses less digits than its factorization.

1315804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47004 (or 47002 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1315804 is about 1147.0850012096. The cubic root of 1315804 is about 109.5797740928.

The spelling of 1315804 in words is "one million, three hundred fifteen thousand, eight hundred four".