12699212 has 24 divisors (see below), whose sum is σ = 23439360. Its totient is φ = 6011280.

The previous prime is 12699209. The next prime is 12699223. The reversal of 12699212 is 21299621.

It is a super-2 number, since 2×12699212² = 322539970841888, which contains 22 as substring.

It is a zygodrome in base 5.

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, 4739 + ... + 6917.

It is an arithmetic number, because the mean of its divisors is an integer number (976640).

Almost surely, 2^12699212 is an apocalyptic number.

It is an amenable number.

12699212 is a deficient number, since it is larger than the sum of its proper divisors (10740148).

12699212 is a wasteful number, since it uses less digits than its factorization.

12699212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2259 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 12699212 is about 3563.5953754600. The cubic root of 12699212 is about 233.3058298648.

The spelling of 12699212 in words is "twelve million, six hundred ninety-nine thousand, two hundred twelve".