12972950 has 12 divisors (see below), whose sum is σ = 24129780. Its totient is φ = 5189160.

The previous prime is 12972937. The next prime is 12972959. The reversal of 12972950 is 5927921.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12972950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12972959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129680 + ... + 129779.

It is an arithmetic number, because the mean of its divisors is an integer number (2010815).

Almost surely, 2^12972950 is an apocalyptic number.

12972950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12972950 is a deficient number, since it is larger than the sum of its proper divisors (11156830).

12972950 is a wasteful number, since it uses less digits than its factorization.

12972950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259471 (or 259466 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 12972950 is about 3601.7981620296. The cubic root of 12972950 is about 234.9702693639.

The spelling of 12972950 in words is "twelve million, nine hundred seventy-two thousand, nine hundred fifty".