12696389 has 8 divisors (see below), whose sum is σ = 13469280. Its totient is φ = 11934000.

The previous prime is 12696377. The next prime is 12696413. The reversal of 12696389 is 98369621.

12696389 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is not a de Polignac number, because 12696389 - 2⁸ = 12696133 is a prime.

It is a super-2 number, since 2×12696389² = 322396587278642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12696349) 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, 62 + ... + 5039.

It is an arithmetic number, because the mean of its divisors is an integer number (1683660).

Almost surely, 2^12696389 is an apocalyptic number.

12696389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12696389 is a deficient number, since it is larger than the sum of its proper divisors (772891).

12696389 is a wasteful number, since it uses less digits than its factorization.

12696389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251.

The product of its digits is 139968, while the sum is 44.

The square root of 12696389 is about 3563.1992647058. The cubic root of 12696389 is about 233.2885408349.

The spelling of 12696389 in words is "twelve million, six hundred ninety-six thousand, three hundred eighty-nine".