12920210 has 16 divisors (see below), whose sum is σ = 23798016. Its totient is φ = 5047728.

The previous prime is 12920203. The next prime is 12920239. The reversal of 12920210 is 1202921.

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, 14594 + ... + 15453.

It is an arithmetic number, because the mean of its divisors is an integer number (1487376).

Almost surely, 2^12920210 is an apocalyptic number.

12920210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12920210 is a deficient number, since it is larger than the sum of its proper divisors (10877806).

12920210 is a wasteful number, since it uses less digits than its factorization.

12920210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30097.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 12920210 is about 3594.4693627850. The cubic root of 12920210 is about 234.6514222442.

The spelling of 12920210 in words is "twelve million, nine hundred twenty thousand, two hundred ten".