12788954 has 4 divisors (see below), whose sum is σ = 19183434. Its totient is φ = 6394476.

The previous prime is 12788933. The next prime is 12788959. The reversal of 12788954 is 45988721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45988721 = 19 ⋅2420459.

It can be written as a sum of positive squares in only one way, i.e., 11937025 + 851929 = 3455^2 + 923^2 .

It is not an unprimeable number, because it can be changed into a prime (12788959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3197237 + ... + 3197240.

Almost surely, 2^12788954 is an apocalyptic number.

12788954 is a deficient number, since it is larger than the sum of its proper divisors (6394480).

12788954 is an equidigital number, since it uses as much as digits as its factorization.

12788954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394479.

The product of its digits is 161280, while the sum is 44.

The square root of 12788954 is about 3576.1647053792. The cubic root of 12788954 is about 233.8541107335.

The spelling of 12788954 in words is "twelve million, seven hundred eighty-eight thousand, nine hundred fifty-four".