12629782 has 8 divisors (see below), whose sum is σ = 20666952. Its totient is φ = 5740800.

The previous prime is 12629777. The next prime is 12629789. The reversal of 12629782 is 28792621.

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

It is a super-2 number, since 2×12629782² = 319022786735048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12629789) 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 in 3 ways as a sum of consecutive naturals, for example, 287019 + ... + 287062.

It is an arithmetic number, because the mean of its divisors is an integer number (2583369).

Almost surely, 2^12629782 is an apocalyptic number.

12629782 is a deficient number, since it is larger than the sum of its proper divisors (8037170).

12629782 is a wasteful number, since it uses less digits than its factorization.

12629782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574094.

The product of its digits is 24192, while the sum is 37.

The square root of 12629782 is about 3553.8404578709. The cubic root of 12629782 is about 232.8798707807.

The spelling of 12629782 in words is "twelve million, six hundred twenty-nine thousand, seven hundred eighty-two".