1209313406 has 16 divisors (see below), whose sum is σ = 2182220160. Its totient is φ = 490999320.

The previous prime is 1209313363. The next prime is 1209313429. The reversal of 1209313406 is 6043139021.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2272880 + ... + 2273411.

It is an arithmetic number, because the mean of its divisors is an integer number (136388760).

Almost surely, 2^1209313406 is an apocalyptic number.

1209313406 is a deficient number, since it is larger than the sum of its proper divisors (972906754).

1209313406 is a wasteful number, since it uses less digits than its factorization.

1209313406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546319.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1209313406 is about 34775.1837665885. The cubic root of 1209313406 is about 1065.4006459868.

The spelling of 1209313406 in words is "one billion, two hundred nine million, three hundred thirteen thousand, four hundred six".