12019634 has 16 divisors (see below), whose sum is σ = 19758816. Its totient is φ = 5438400.

The previous prime is 12019627. The next prime is 12019687. The reversal of 12019634 is 43691021.

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, 4169 + ... + 6435.

It is an arithmetic number, because the mean of its divisors is an integer number (1234926).

Almost surely, 2^12019634 is an apocalyptic number.

12019634 is a deficient number, since it is larger than the sum of its proper divisors (7739182).

12019634 is a wasteful number, since it uses less digits than its factorization.

12019634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 12019634 is about 3466.9343806885. The cubic root of 12019634 is about 229.0676433594.

The spelling of 12019634 in words is "twelve million, nineteen thousand, six hundred thirty-four".