12705974 has 4 divisors (see below), whose sum is σ = 19058964. Its totient is φ = 6352986.

The previous prime is 12705923. The next prime is 12705983. The reversal of 12705974 is 47950721.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12705974² = 322883550577352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 3176492 + ... + 3176495.

It is an arithmetic number, because the mean of its divisors is an integer number (4764741).

Almost surely, 2^12705974 is an apocalyptic number.

12705974 is a deficient number, since it is larger than the sum of its proper divisors (6352990).

12705974 is an equidigital number, since it uses as much as digits as its factorization.

12705974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352989.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 12705974 is about 3564.5440101084. The cubic root of 12705974 is about 233.3472322786.

The spelling of 12705974 in words is "twelve million, seven hundred five thousand, nine hundred seventy-four".