1213183086 has 16 divisors (see below), whose sum is σ = 2427038544. Its totient is φ = 404282304.

The previous prime is 1213183073. The next prime is 1213183133. The reversal of 1213183086 is 6803813121.

1213183086 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2815 + ... + 49338.

It is an arithmetic number, because the mean of its divisors is an integer number (151689909).

Almost surely, 2^1213183086 is an apocalyptic number.

1213183086 is an abundant number, since it is smaller than the sum of its proper divisors (1213855458).

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

1213183086 is a wasteful number, since it uses less digits than its factorization.

1213183086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56035.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1213183086 is about 34830.7778552245. Note that the first 3 decimals coincide. The cubic root of 1213183086 is about 1066.5358272893.

The spelling of 1213183086 in words is "one billion, two hundred thirteen million, one hundred eighty-three thousand, eighty-six".