12966330 has 32 divisors (see below), whose sum is σ = 33513984. Its totient is φ = 3191616.

The previous prime is 12966329. The next prime is 12966347. The reversal of 12966330 is 3366921.

It is a happy number.

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, 16234 + ... + 17013.

It is an arithmetic number, because the mean of its divisors is an integer number (1047312).

Almost surely, 2^12966330 is an apocalyptic number.

12966330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12966330 is an abundant number, since it is smaller than the sum of its proper divisors (20547654).

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

12966330 is a wasteful number, since it uses less digits than its factorization.

12966330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33270.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 12966330 is about 3600.8790593409. The cubic root of 12966330 is about 234.9302947027.

It can be divided in two parts, 1296 and 6330, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 12966330 in words is "twelve million, nine hundred sixty-six thousand, three hundred thirty".