1426217 has 8 divisors (see below), whose sum is σ = 1585920. Its totient is φ = 1273680.

The previous prime is 1426213. The next prime is 1426223. The reversal of 1426217 is 7126241.

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 1426217 - 2² = 1426213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1426192 and 1426201.

It is not an unprimeable number, because it can be changed into a prime (1426211) 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, 1367 + ... + 2172.

It is an arithmetic number, because the mean of its divisors is an integer number (198240).

2^1426217 is an apocalyptic number.

It is an amenable number.

1426217 is a deficient number, since it is larger than the sum of its proper divisors (159703).

1426217 is a wasteful number, since it uses less digits than its factorization.

1426217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583.

The product of its digits is 672, while the sum is 23.

The square root of 1426217 is about 1194.2432750491. The cubic root of 1426217 is about 112.5628817182.

The spelling of 1426217 in words is "one million, four hundred twenty-six thousand, two hundred seventeen".