1214681 has 8 divisors (see below), whose sum is σ = 1317120. Its totient is φ = 1113552.

The previous prime is 1214671. The next prime is 1214683. The reversal of 1214681 is 1864121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1214681 - 2⁶ = 1214617 is a prime.

It is a super-2 number, since 2×1214681² = 2950899863522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1214683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2690 + ... + 3108.

It is an arithmetic number, because the mean of its divisors is an integer number (164640).

2^1214681 is an apocalyptic number.

It is an amenable number.

1214681 is a deficient number, since it is larger than the sum of its proper divisors (102439).

1214681 is a wasteful number, since it uses less digits than its factorization.

1214681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655.

The product of its digits is 384, while the sum is 23.

The square root of 1214681 is about 1102.1256734148. The cubic root of 1214681 is about 106.6974596427.

The spelling of 1214681 in words is "one million, two hundred fourteen thousand, six hundred eighty-one".