12099670 has 32 divisors (see below), whose sum is σ = 24585120. Its totient is φ = 4247040.

The previous prime is 12099643. The next prime is 12099691. The reversal of 12099670 is 7699021.

It is a congruent number.

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, 1294 + ... + 5086.

It is an arithmetic number, because the mean of its divisors is an integer number (768285).

Almost surely, 2^12099670 is an apocalyptic number.

12099670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12099670 is an abundant number, since it is smaller than the sum of its proper divisors (12485450).

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

12099670 is a wasteful number, since it uses less digits than its factorization.

12099670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 12099670 is about 3478.4579916969. The cubic root of 12099670 is about 229.5749553836.

It can be divided in two parts, 12099 and 670, that added together give a square (12769 = 113²).

The spelling of 12099670 in words is "twelve million, ninety-nine thousand, six hundred seventy".