1400012 has 6 divisors (see below), whose sum is σ = 2450028.
Its totient is φ = 700004.
The previous prime is 1399999. The next prime is 1400017. The reversal of 1400012 is 2100041.
It is a plaindrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (1400017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174998 + ... + 175005.
It is an arithmetic number, because the mean of its divisors is an integer number (408338).
21400012 is an apocalyptic number.
It is an amenable number.
1400012 is a deficient number, since it is larger than the sum of its proper divisors (1050016).
1400012 is a wasteful number, since it uses less digits than its factorization.
1400012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 350007 (or 350005 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 1400012 is about 1183.2210275346.
The cubic root of 1400012 is about 111.8692138326.
Adding to 1400012 its reverse (2100041), we get a palindrome (3500053).
The spelling of 1400012 in words is "one million, four hundred thousand, twelve".