12693993 has 8 divisors (see below), whose sum is σ = 18227328. Its totient is φ = 7811664.

The previous prime is 12693991. The next prime is 12694013. The reversal of 12693993 is 39939621.

It is a happy number.

12693993 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12693993 - 2¹ = 12693991 is a prime.

It is a super-3 number, since 3×12693993³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12693991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162705 + ... + 162782.

It is an arithmetic number, because the mean of its divisors is an integer number (2278416).

Almost surely, 2^12693993 is an apocalyptic number.

12693993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12693993 is a deficient number, since it is larger than the sum of its proper divisors (5533335).

12693993 is a wasteful number, since it uses less digits than its factorization.

12693993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325503.

The product of its digits is 78732, while the sum is 42.

The square root of 12693993 is about 3562.8630341342. The cubic root of 12693993 is about 233.2738648902.

The spelling of 12693993 in words is "twelve million, six hundred ninety-three thousand, nine hundred ninety-three".