1401366012 has 24 divisors (see below), whose sum is σ = 3278774016. Its totient is φ = 465847728.

The previous prime is 1401366007. The next prime is 1401366023. The reversal of 1401366012 is 2106631041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154698 + ... + 163505.

It is an arithmetic number, because the mean of its divisors is an integer number (136615584).

Almost surely, 2^1401366012 is an apocalyptic number.

1401366012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401366012 is an abundant number, since it is smaller than the sum of its proper divisors (1877408004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401366012 is a wasteful number, since it uses less digits than its factorization.

1401366012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318577 (or 318575 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1401366012 is about 37434.8235203533. The cubic root of 1401366012 is about 1119.0526672656.

Adding to 1401366012 its reverse (2106631041), we get a palindrome (3507997053).

The spelling of 1401366012 in words is "one billion, four hundred one million, three hundred sixty-six thousand, twelve".