1400711 has 4 divisors (see below), whose sum is σ = 1508472. Its totient is φ = 1292952.

The previous prime is 1400701. The next prime is 1400731. The reversal of 1400711 is 1170041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1170041 = 61 ⋅19181.

It is a cyclic number.

It is not a de Polignac number, because 1400711 - 2¹⁰ = 1399687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53861 + ... + 53886.

It is an arithmetic number, because the mean of its divisors is an integer number (377118).

2^1400711 is an apocalyptic number.

1400711 is a deficient number, since it is larger than the sum of its proper divisors (107761).

1400711 is a wasteful number, since it uses less digits than its factorization.

1400711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107760.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 1400711 is about 1183.5163708204. The cubic root of 1400711 is about 111.8878288088.

Adding to 1400711 its reverse (1170041), we get a palindrome (2570752).

The spelling of 1400711 in words is "one million, four hundred thousand, seven hundred eleven".