1214864 has 20 divisors (see below), whose sum is σ = 2690304. Its totient is φ = 520608.

The previous prime is 1214849. The next prime is 1214867. The reversal of 1214864 is 4684121.

It is not an unprimeable number, because it can be changed into a prime (1214867) 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, 5312 + ... + 5535.

2^1214864 is an apocalyptic number.

1214864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1214864 is an abundant number, since it is smaller than the sum of its proper divisors (1475440).

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

1214864 is a wasteful number, since it uses less digits than its factorization.

1214864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10862 (or 10856 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 1214864 is about 1102.2086916732. The cubic root of 1214864 is about 106.7028176076.

Adding to 1214864 its reverse (4684121), we get a palindrome (5898985).

The spelling of 1214864 in words is "one million, two hundred fourteen thousand, eight hundred sixty-four".