12693790 has 8 divisors (see below), whose sum is σ = 22848840. Its totient is φ = 5077512.

The previous prime is 12693773. The next prime is 12693797. The reversal of 12693790 is 9739621.

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

It is a super-2 number, since 2×12693790² = 322264609128200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12693797) 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, 634680 + ... + 634699.

It is an arithmetic number, because the mean of its divisors is an integer number (2856105).

Almost surely, 2^12693790 is an apocalyptic number.

12693790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12693790 is a deficient number, since it is larger than the sum of its proper divisors (10155050).

12693790 is a wasteful number, since it uses less digits than its factorization.

12693790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269386.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 12693790 is about 3562.8345456953. The cubic root of 12693790 is about 233.2726213927.

The spelling of 12693790 in words is "twelve million, six hundred ninety-three thousand, seven hundred ninety".