12107436 has 72 divisors (see below), whose sum is σ = 32147136. Its totient is φ = 3516480.

The previous prime is 12107429. The next prime is 12107437. The reversal of 12107436 is 63470121.

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

It is not an unprimeable number, because it can be changed into a prime (12107437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180675 + ... + 180741.

It is an arithmetic number, because the mean of its divisors is an integer number (446488).

Almost surely, 2^12107436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12107436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16073568).

12107436 is an abundant number, since it is smaller than the sum of its proper divisors (20039700).

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

12107436 is a wasteful number, since it uses less digits than its factorization.

12107436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 12107436 is about 3479.5741118706. The cubic root of 12107436 is about 229.6240613454.

Adding to 12107436 its reverse (63470121), we get a palindrome (75577557).

It can be divided in two parts, 1210 and 7436, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 12107436 in words is "twelve million, one hundred seven thousand, four hundred thirty-six".