12213370 has 16 divisors (see below), whose sum is σ = 23675400. Its totient is φ = 4509504.

The previous prime is 12213353. The next prime is 12213401. The reversal of 12213370 is 7331221.

It can be written as a sum of positive squares in 4 ways, for example, as 8720209 + 3493161 = 2953^2 + 1869^2 .

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, 46845 + ... + 47104.

Almost surely, 2^12213370 is an apocalyptic number.

12213370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12213370 is a deficient number, since it is larger than the sum of its proper divisors (11462030).

12213370 is a wasteful number, since it uses less digits than its factorization.

12213370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93969.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 12213370 is about 3494.7632251699. The cubic root of 12213370 is about 230.2918161126.

Adding to 12213370 its reverse (7331221), we get a palindrome (19544591).

The spelling of 12213370 in words is "twelve million, two hundred thirteen thousand, three hundred seventy".