12673820 has 24 divisors (see below), whose sum is σ = 27235824. Its totient is φ = 4951296.

The previous prime is 12673811. The next prime is 12673831. The reversal of 12673820 is 2837621.

It is a happy number.

It is a congruent number.

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, 6509 + ... + 8228.

It is an arithmetic number, because the mean of its divisors is an integer number (1134826).

Almost surely, 2^12673820 is an apocalyptic number.

12673820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12673820 is an abundant number, since it is smaller than the sum of its proper divisors (14562004).

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

12673820 is a wasteful number, since it uses less digits than its factorization.

12673820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14789 (or 14787 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12673820 is about 3560.0308987423. The cubic root of 12673820 is about 233.1502282305.

The spelling of 12673820 in words is "twelve million, six hundred seventy-three thousand, eight hundred twenty".