12720610 has 32 divisors (see below), whose sum is σ = 27309312. Its totient is φ = 4171200.

The previous prime is 12720601. The next prime is 12720649. The reversal of 12720610 is 1602721.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2341 + ... + 5560.

It is an arithmetic number, because the mean of its divisors is an integer number (853416).

Almost surely, 2^12720610 is an apocalyptic number.

12720610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12720610 is an abundant number, since it is smaller than the sum of its proper divisors (14588702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12720610 is a wasteful number, since it uses less digits than its factorization.

12720610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 12720610 is about 3566.5964167537. The cubic root of 12720610 is about 233.4367953871.

The spelling of 12720610 in words is "twelve million, seven hundred twenty thousand, six hundred ten".