12810742 has 8 divisors (see below), whose sum is σ = 21961296. Its totient is φ = 5490312.

The previous prime is 12810727. The next prime is 12810757. The reversal of 12810742 is 24701821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12810727) and next prime (12810757).

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

It is a super-2 number, since 2×12810742² = 328230221181128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457513 + ... + 457540.

It is an arithmetic number, because the mean of its divisors is an integer number (2745162).

Almost surely, 2^12810742 is an apocalyptic number.

12810742 is a deficient number, since it is larger than the sum of its proper divisors (9150554).

12810742 is an equidigital number, since it uses as much as digits as its factorization.

12810742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915062.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12810742 is about 3579.2096893029. The cubic root of 12810742 is about 233.9868378405.

The spelling of 12810742 in words is "twelve million, eight hundred ten thousand, seven hundred forty-two".