12220762 has 16 divisors (see below), whose sum is σ = 19424160. Its totient is φ = 5750352.

The previous prime is 12220757. The next prime is 12220771. The reversal of 12220762 is 26702221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5208 + ... + 7180.

It is an arithmetic number, because the mean of its divisors is an integer number (1214010).

Almost surely, 2^12220762 is an apocalyptic number.

12220762 is a deficient number, since it is larger than the sum of its proper divisors (7203398).

12220762 is a wasteful number, since it uses less digits than its factorization.

12220762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12220762 is about 3495.8206475733. The cubic root of 12220762 is about 230.3382672227.

Adding to 12220762 its reverse (26702221), we get a palindrome (38922983).

The spelling of 12220762 in words is "twelve million, two hundred twenty thousand, seven hundred sixty-two".