1315564 has 6 divisors (see below), whose sum is σ = 2302244. Its totient is φ = 657780.

The previous prime is 1315553. The next prime is 1315591. The reversal of 1315564 is 4655131.

It is a super-4 number, since 4×1315564⁴ (a number of 26 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164442 + ... + 164449.

2^1315564 is an apocalyptic number.

It is an amenable number.

1315564 is a deficient number, since it is larger than the sum of its proper divisors (986680).

1315564 is a wasteful number, since it uses less digits than its factorization.

1315564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328895 (or 328893 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 1315564 is about 1146.9803834417. The cubic root of 1315564 is about 109.5731113110.

The spelling of 1315564 in words is "one million, three hundred fifteen thousand, five hundred sixty-four".