12814742 has 4 divisors (see below), whose sum is σ = 19222116. Its totient is φ = 6407370.

The previous prime is 12814733. The next prime is 12814751. The reversal of 12814742 is 24741821.

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

It is an interprime number because it is at equal distance from previous prime (12814733) and next prime (12814751).

It is a super-2 number, since 2×12814742² = 328435225053128, 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, 3203684 + ... + 3203687.

It is an arithmetic number, because the mean of its divisors is an integer number (4805529).

Almost surely, 2^12814742 is an apocalyptic number.

12814742 is a deficient number, since it is larger than the sum of its proper divisors (6407374).

12814742 is an equidigital number, since it uses as much as digits as its factorization.

12814742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407373.

The product of its digits is 3584, while the sum is 29.

The square root of 12814742 is about 3579.7684282646. The cubic root of 12814742 is about 234.0111884976.

The spelling of 12814742 in words is "twelve million, eight hundred fourteen thousand, seven hundred forty-two".