12212963 has 4 divisors (see below), whose sum is σ = 13957680. Its totient is φ = 10468248.

The previous prime is 12212951. The next prime is 12212971. The reversal of 12212963 is 36921221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36921221 = 67 ⋅551063.

It is not a de Polignac number, because 12212963 - 2⁶ = 12212899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212933) 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, 872348 + ... + 872361.

It is an arithmetic number, because the mean of its divisors is an integer number (3489420).

Almost surely, 2^12212963 is an apocalyptic number.

12212963 is a deficient number, since it is larger than the sum of its proper divisors (1744717).

12212963 is an equidigital number, since it uses as much as digits as its factorization.

12212963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744716.

The product of its digits is 1296, while the sum is 26.

The square root of 12212963 is about 3494.7049947027. The cubic root of 12212963 is about 230.2892579922.

The spelling of 12212963 in words is "twelve million, two hundred twelve thousand, nine hundred sixty-three".