12177963 has 12 divisors (see below), whose sum is σ = 20103408. Its totient is φ = 6958800.

The previous prime is 12177911. The next prime is 12177973. The reversal of 12177963 is 36977121.

It is a happy number.

It is not a de Polignac number, because 12177963 - 2¹² = 12173867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12177973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96588 + ... + 96713.

It is an arithmetic number, because the mean of its divisors is an integer number (1675284).

Almost surely, 2^12177963 is an apocalyptic number.

12177963 is a deficient number, since it is larger than the sum of its proper divisors (7925445).

12177963 is a wasteful number, since it uses less digits than its factorization.

12177963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193314 (or 193311 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 12177963 is about 3489.6938261114. The cubic root of 12177963 is about 230.0690592875.

It can be divided in two parts, 1217 and 7963, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 12177963 in words is "twelve million, one hundred seventy-seven thousand, nine hundred sixty-three".