12149434 has 32 divisors (see below), whose sum is σ = 20865600. Its totient is φ = 5255040.

The previous prime is 12149429. The next prime is 12149443. The reversal of 12149434 is 43494121.

It is an alternating number because its digits alternate between odd and even.

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 15 ways as a sum of consecutive naturals, for example, 87337 + ... + 87475.

It is an arithmetic number, because the mean of its divisors is an integer number (652050).

Almost surely, 2^12149434 is an apocalyptic number.

12149434 is a deficient number, since it is larger than the sum of its proper divisors (8716166).

12149434 is a wasteful number, since it uses less digits than its factorization.

12149434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318.

The product of its digits is 3456, while the sum is 28.

The square root of 12149434 is about 3485.6038214347. The cubic root of 12149434 is about 229.8892598590.

It can be divided in two parts, 1214 and 9434, that added together give a cube (10648 = 22³).

The spelling of 12149434 in words is "twelve million, one hundred forty-nine thousand, four hundred thirty-four".