12013662 has 32 divisors (see below), whose sum is σ = 26784000. Its totient is φ = 3570048.

The previous prime is 12013637. The next prime is 12013663. The reversal of 12013662 is 26631021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013663) by changing a digit.

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, 1162 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (837000).

Almost surely, 2^12013662 is an apocalyptic number.

12013662 is an abundant number, since it is smaller than the sum of its proper divisors (14770338).

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

12013662 is a wasteful number, since it uses less digits than its factorization.

12013662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12013662 is about 3466.0729940381. The cubic root of 12013662 is about 229.0296993701.

Adding to 12013662 its reverse (26631021), we get a palindrome (38644683).

The spelling of 12013662 in words is "twelve million, thirteen thousand, six hundred sixty-two".