12134654 has 36 divisors (see below), whose sum is σ = 22411944. Its totient is φ = 4926852.

The previous prime is 12134653. The next prime is 12134663. The reversal of 12134654 is 45643121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134653) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 638657 + ... + 638675.

It is an arithmetic number, because the mean of its divisors is an integer number (622554).

Almost surely, 2^12134654 is an apocalyptic number.

12134654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12134654 is a deficient number, since it is larger than the sum of its proper divisors (10277290).

12134654 is an frugal number, since it uses more digits than its factorization.

12134654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 28 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 12134654 is about 3483.4830270865. The cubic root of 12134654 is about 229.7960005899.

Adding to 12134654 its reverse (45643121), we get a palindrome (57777775).

The spelling of 12134654 in words is "twelve million, one hundred thirty-four thousand, six hundred fifty-four".