12190782 has 16 divisors (see below), whose sum is σ = 25441920. Its totient is φ = 3886872.

The previous prime is 12190777. The next prime is 12190847. The reversal of 12190782 is 28709121.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 44032 + ... + 44307.

It is an arithmetic number, because the mean of its divisors is an integer number (1590120).

Almost surely, 2^12190782 is an apocalyptic number.

12190782 is an abundant number, since it is smaller than the sum of its proper divisors (13251138).

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

12190782 is a wasteful number, since it uses less digits than its factorization.

12190782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88367.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12190782 is about 3491.5300371041. The cubic root of 12190782 is about 230.1497575412.

The spelling of 12190782 in words is "twelve million, one hundred ninety thousand, seven hundred eighty-two".