12061960 has 64 divisors (see below), whose sum is σ = 29160000. Its totient is φ = 4476672.

The previous prime is 12061937. The next prime is 12061961. The reversal of 12061960 is 6916021.

12061960 = 168² + 169² + ... + 344².

It is not an unprimeable number, because it can be changed into a prime (12061961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44706 + ... + 44974.

It is an arithmetic number, because the mean of its divisors is an integer number (455625).

Almost surely, 2^12061960 is an apocalyptic number.

12061960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12061960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14580000).

12061960 is an abundant number, since it is smaller than the sum of its proper divisors (17098040).

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

12061960 is a wasteful number, since it uses less digits than its factorization.

12061960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 12061960 is about 3473.0332563913. The cubic root of 12061960 is about 229.3362083499.

Adding to 12061960 its reverse (6916021), we get a palindrome (18977981).

The spelling of 12061960 in words is "twelve million, sixty-one thousand, nine hundred sixty".