1214564 has 12 divisors (see below), whose sum is σ = 2289084. Its totient is φ = 560544.

The previous prime is 1214533. The next prime is 1214567. The reversal of 1214564 is 4654121.

It can be written as a sum of positive squares in 2 ways, for example, as 574564 + 640000 = 758^2 + 800^2 .

It is not an unprimeable number, because it can be changed into a prime (1214567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11627 + ... + 11730.

It is an arithmetic number, because the mean of its divisors is an integer number (190757).

2^1214564 is an apocalyptic number.

It is an amenable number.

1214564 is a deficient number, since it is larger than the sum of its proper divisors (1074520).

1214564 is a wasteful number, since it uses less digits than its factorization.

1214564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23374 (or 23372 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 1214564 is about 1102.0725928903. The cubic root of 1214564 is about 106.6940337765.

Adding to 1214564 its reverse (4654121), we get a palindrome (5868685).

The spelling of 1214564 in words is "one million, two hundred fourteen thousand, five hundred sixty-four".