12977356 has 36 divisors (see below), whose sum is σ = 26809608. Its totient is φ = 5479488.

The previous prime is 12977353. The next prime is 12977369. The reversal of 12977356 is 65377921.

It is not an unprimeable number, because it can be changed into a prime (12977353) 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, 13855 + ... + 14761.

Almost surely, 2^12977356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12977356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13404804).

12977356 is an abundant number, since it is smaller than the sum of its proper divisors (13832252).

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

12977356 is a wasteful number, since it uses less digits than its factorization.

12977356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 989 counting only the distinct ones).

The product of its digits is 79380, while the sum is 40.

The square root of 12977356 is about 3602.4097490430. The cubic root of 12977356 is about 234.9968673190.

The spelling of 12977356 in words is "twelve million, nine hundred seventy-seven thousand, three hundred fifty-six".