12601332 has 120 divisors (see below), whose sum is σ = 36590400. Its totient is φ = 3763584.

The previous prime is 12601327. The next prime is 12601357. The reversal of 12601332 is 23310621.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 141544 + ... + 141632.

It is an arithmetic number, because the mean of its divisors is an integer number (304920).

Almost surely, 2^12601332 is an apocalyptic number.

12601332 is a gapful number since it is divisible by the number (12) 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 12601332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18295200).

12601332 is an abundant number, since it is smaller than the sum of its proper divisors (23989068).

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

12601332 is a wasteful number, since it uses less digits than its factorization.

12601332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 12601332 is about 3549.8354891459. The cubic root of 12601332 is about 232.7048766438.

Adding to 12601332 its reverse (23310621), we get a palindrome (35911953).

The spelling of 12601332 in words is "twelve million, six hundred one thousand, three hundred thirty-two".