12977270 has 8 divisors (see below), whose sum is σ = 23359104. Its totient is φ = 5190904.

The previous prime is 12977243. The next prime is 12977287. The reversal of 12977270 is 7277921.

12977270 = 796² + 797² + ... + 815².

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

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 12977270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648854 + ... + 648873.

It is an arithmetic number, because the mean of its divisors is an integer number (2919888).

Almost surely, 2^12977270 is an apocalyptic number.

12977270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12977270 is a deficient number, since it is larger than the sum of its proper divisors (10381834).

12977270 is a wasteful number, since it uses less digits than its factorization.

12977270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297734.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 12977270 is about 3602.3978125687. The cubic root of 12977270 is about 234.9963482155.

The spelling of 12977270 in words is "twelve million, nine hundred seventy-seven thousand, two hundred seventy".