1401717 has 4 divisors (see below), whose sum is σ = 1868960. Its totient is φ = 934476.

The previous prime is 1401713. The next prime is 1401721. The reversal of 1401717 is 7171041.

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.

It is an interprime number because it is at equal distance from previous prime (1401713) and next prime (1401721).

It is not a de Polignac number, because 1401717 - 2² = 1401713 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401693 and 1401702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401713) 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, 233617 + ... + 233622.

It is an arithmetic number, because the mean of its divisors is an integer number (467240).

2^1401717 is an apocalyptic number.

It is an amenable number.

1401717 is a deficient number, since it is larger than the sum of its proper divisors (467243).

1401717 is an equidigital number, since it uses as much as digits as its factorization.

1401717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467242.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 1401717 is about 1183.9412992205. The cubic root of 1401717 is about 111.9146085941.

Adding to 1401717 its reverse (7171041), we get a palindrome (8572758).

The spelling of 1401717 in words is "one million, four hundred one thousand, seven hundred seventeen".