1316564 has 18 divisors (see below), whose sum is σ = 2369850. Its totient is φ = 639952.

The previous prime is 1316537. The next prime is 1316591. The reversal of 1316564 is 4656131.

It is an interprime number because it is at equal distance from previous prime (1316537) and next prime (1316591).

It can be written as a sum of positive squares in only one way, i.e., 883600 + 432964 = 940^2 + 658^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8762 + ... + 8910.

2^1316564 is an apocalyptic number.

It is an amenable number.

1316564 is a deficient number, since it is larger than the sum of its proper divisors (1053286).

1316564 is a wasteful number, since it uses less digits than its factorization.

1316564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 198 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 1316564 is about 1147.4162278790. The cubic root of 1316564 is about 109.6008675584.

The spelling of 1316564 in words is "one million, three hundred sixteen thousand, five hundred sixty-four".