12992002 has 4 divisors (see below), whose sum is σ = 19488006. Its totient is φ = 6496000.

The previous prime is 12991981. The next prime is 12992003. The reversal of 12992002 is 20029921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12895281 + 96721 = 3591^2 + 311^2 .

It is not an unprimeable number, because it can be changed into a prime (12992003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247999 + ... + 3248002.

Almost surely, 2^12992002 is an apocalyptic number.

12992002 is a deficient number, since it is larger than the sum of its proper divisors (6496004).

12992002 is an equidigital number, since it uses as much as digits as its factorization.

12992002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6496003.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 12992002 is about 3604.4419817775. The cubic root of 12992002 is about 235.0852384315.

The spelling of 12992002 in words is "twelve million, nine hundred ninety-two thousand, two".