12263722 has 8 divisors (see below), whose sum is σ = 18475236. Its totient is φ = 6105312.

The previous prime is 12263717. The next prime is 12263731. The reversal of 12263722 is 22736221.

It can be written as a sum of positive squares in 2 ways, for example, as 12173121 + 90601 = 3489^2 + 301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×12263722³ (a number of 22 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 12693 + ... + 13624.

Almost surely, 2^12263722 is an apocalyptic number.

12263722 is a deficient number, since it is larger than the sum of its proper divisors (6211514).

12263722 is a wasteful number, since it uses less digits than its factorization.

12263722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26552.

The product of its digits is 2016, while the sum is 25.

The square root of 12263722 is about 3501.9597370615. The cubic root of 12263722 is about 230.6078565068.

Adding to 12263722 its reverse (22736221), we get a palindrome (34999943).

The spelling of 12263722 in words is "twelve million, two hundred sixty-three thousand, seven hundred twenty-two".