1426697 has 4 divisors (see below), whose sum is σ = 1459920. Its totient is φ = 1393476.

The previous prime is 1426693. The next prime is 1426699. The reversal of 1426697 is 7966241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7966241 = 131 ⋅60811.

It is a cyclic number.

It is not a de Polignac number, because 1426697 - 2² = 1426693 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (1426693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16547 + ... + 16632.

It is an arithmetic number, because the mean of its divisors is an integer number (364980).

2^1426697 is an apocalyptic number.

It is an amenable number.

1426697 is a deficient number, since it is larger than the sum of its proper divisors (33223).

1426697 is an equidigital number, since it uses as much as digits as its factorization.

1426697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33222.

The product of its digits is 18144, while the sum is 35.

The square root of 1426697 is about 1194.4442222222. Note that the first 3 decimals coincide. The cubic root of 1426697 is about 112.5755081566.

The spelling of 1426697 in words is "one million, four hundred twenty-six thousand, six hundred ninety-seven".