12812970 has 32 divisors (see below), whose sum is σ = 30849408. Its totient is φ = 3405888.

The previous prime is 12812963. The next prime is 12812981. The reversal of 12812970 is 7921821.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 14172 + ... + 15048.

It is an arithmetic number, because the mean of its divisors is an integer number (964044).

Almost surely, 2^12812970 is an apocalyptic number.

12812970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12812970 is an abundant number, since it is smaller than the sum of its proper divisors (18036438).

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

12812970 is a wasteful number, since it uses less digits than its factorization.

12812970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12812970 is about 3579.5209176648. The cubic root of 12812970 is about 234.0004017818. Note that the first 3 decimals are identical.

The spelling of 12812970 in words is "twelve million, eight hundred twelve thousand, nine hundred seventy".