12977699 has 18 divisors (see below), whose sum is σ = 15584940. Its totient is φ = 10771992.

The previous prime is 12977651. The next prime is 12977707. The reversal of 12977699 is 99677921.

It is not a de Polignac number, because 12977699 - 2¹² = 12973603 is a prime.

It is a super-3 number, since 3×12977699³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12977999) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 193664 + ... + 193730.

It is an arithmetic number, because the mean of its divisors is an integer number (865830).

Almost surely, 2^12977699 is an apocalyptic number.

12977699 is a deficient number, since it is larger than the sum of its proper divisors (2607241).

12977699 is an frugal number, since it uses more digits than its factorization.

12977699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 133 counting only the distinct ones).

The product of its digits is 428652, while the sum is 50.

The square root of 12977699 is about 3602.4573557504. The cubic root of 12977699 is about 234.9989376744.

The spelling of 12977699 in words is "twelve million, nine hundred seventy-seven thousand, six hundred ninety-nine".