12972006 has 24 divisors (see below), whose sum is σ = 28172664. Its totient is φ = 4313760.

The previous prime is 12971999. The next prime is 12972007. The reversal of 12972006 is 60027921.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12972007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13225 + ... + 14171.

It is an arithmetic number, because the mean of its divisors is an integer number (1173861).

Almost surely, 2^12972006 is an apocalyptic number.

12972006 is an abundant number, since it is smaller than the sum of its proper divisors (15200658).

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

12972006 is a wasteful number, since it uses less digits than its factorization.

12972006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12972006 is about 3601.6671139904. The cubic root of 12972006 is about 234.9645698812.

Adding to 12972006 its reverse (60027921), we get a palindrome (72999927).

The spelling of 12972006 in words is "twelve million, nine hundred seventy-two thousand, six".