12191702 has 8 divisors (see below), whose sum is σ = 19082736. Its totient is φ = 5830792.

The previous prime is 12191693. The next prime is 12191713. The reversal of 12191702 is 20719121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 3 ways as a sum of consecutive naturals, for example, 132473 + ... + 132564.

It is an arithmetic number, because the mean of its divisors is an integer number (2385342).

Almost surely, 2^12191702 is an apocalyptic number.

12191702 is a deficient number, since it is larger than the sum of its proper divisors (6891034).

12191702 is a wasteful number, since it uses less digits than its factorization.

12191702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265062.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 12191702 is about 3491.6617820173. The cubic root of 12191702 is about 230.1555469552.

The spelling of 12191702 in words is "twelve million, one hundred ninety-one thousand, seven hundred two".