12007990 has 8 divisors (see below), whose sum is σ = 21614400. Its totient is φ = 4803192.

The previous prime is 12007939. The next prime is 12007999. The reversal of 12007990 is 9970021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12007999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600390 + ... + 600409.

It is an arithmetic number, because the mean of its divisors is an integer number (2701800).

Almost surely, 2^12007990 is an apocalyptic number.

12007990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12007990 is a deficient number, since it is larger than the sum of its proper divisors (9606410).

12007990 is a wasteful number, since it uses less digits than its factorization.

12007990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200806.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 12007990 is about 3465.2546803951. The cubic root of 12007990 is about 228.9936498306.

The spelling of 12007990 in words is "twelve million, seven thousand, nine hundred ninety".