12021362 has 4 divisors (see below), whose sum is σ = 18032046. Its totient is φ = 6010680.

The previous prime is 12021353. The next prime is 12021367. The reversal of 12021362 is 26312021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26312021 = 2671 ⋅9851.

It can be written as a sum of positive squares in only one way, i.e., 11363641 + 657721 = 3371^2 + 811^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12021362.

It is not an unprimeable number, because it can be changed into a prime (12021367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005339 + ... + 3005342.

Almost surely, 2^12021362 is an apocalyptic number.

12021362 is a deficient number, since it is larger than the sum of its proper divisors (6010684).

12021362 is an equidigital number, since it uses as much as digits as its factorization.

12021362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010683.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12021362 is about 3467.1835832560. The cubic root of 12021362 is about 229.0786201196.

Adding to 12021362 its reverse (26312021), we get a palindrome (38333383).

The spelling of 12021362 in words is "twelve million, twenty-one thousand, three hundred sixty-two".