1315908 has 36 divisors (see below), whose sum is σ = 3629808. Its totient is φ = 398640.

The previous prime is 1315907. The next prime is 1315927. The reversal of 1315908 is 8095131.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1315908² = 3463227728928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1315901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1266 + ... + 2057.

It is an arithmetic number, because the mean of its divisors is an integer number (100828).

2^1315908 is an apocalyptic number.

1315908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1315908 is an abundant number, since it is smaller than the sum of its proper divisors (2313900).

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

1315908 is a wasteful number, since it uses less digits than its factorization.

1315908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344 (or 3339 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1315908 is about 1147.1303326126. The cubic root of 1315908 is about 109.5826610467.

The spelling of 1315908 in words is "one million, three hundred fifteen thousand, nine hundred eight".