12262071 has 4 divisors (see below), whose sum is σ = 16349432. Its totient is φ = 8174712.

The previous prime is 12262057. The next prime is 12262073. The reversal of 12262071 is 17026221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17026221 = 3 ⋅5675407.

It is not a de Polignac number, because 12262071 - 2⁵ = 12262039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12262073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043676 + ... + 2043681.

It is an arithmetic number, because the mean of its divisors is an integer number (4087358).

Almost surely, 2^12262071 is an apocalyptic number.

12262071 is a deficient number, since it is larger than the sum of its proper divisors (4087361).

12262071 is an equidigital number, since it uses as much as digits as its factorization.

12262071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087360.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12262071 is about 3501.7240039729. The cubic root of 12262071 is about 230.5975075372.

Adding to 12262071 its reverse (17026221), we get a palindrome (29288292).

The spelling of 12262071 in words is "twelve million, two hundred sixty-two thousand, seventy-one".