12761222 has 8 divisors (see below), whose sum is σ = 19427736. Its totient is φ = 6285312.

The previous prime is 12761219. The next prime is 12761257. The reversal of 12761222 is 22216721.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47483 + ... + 47750.

It is an arithmetic number, because the mean of its divisors is an integer number (2428467).

Almost surely, 2^12761222 is an apocalyptic number.

12761222 is a deficient number, since it is larger than the sum of its proper divisors (6666514).

12761222 is an equidigital number, since it uses as much as digits as its factorization.

12761222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95302.

The product of its digits is 672, while the sum is 23.

The square root of 12761222 is about 3572.2852629654. The cubic root of 12761222 is about 233.6849560223.

Adding to 12761222 its reverse (22216721), we get a palindrome (34977943).

The spelling of 12761222 in words is "twelve million, seven hundred sixty-one thousand, two hundred twenty-two".