12677389 has 16 divisors (see below), whose sum is σ = 13939200. Its totient is φ = 11488176.

The previous prime is 12677383. The next prime is 12677407. The reversal of 12677389 is 98377621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12677389 - 2³ = 12677381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12677381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48072 + ... + 48334.

It is an arithmetic number, because the mean of its divisors is an integer number (871200).

Almost surely, 2^12677389 is an apocalyptic number.

12677389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12677389 is a deficient number, since it is larger than the sum of its proper divisors (1261811).

12677389 is a wasteful number, since it uses less digits than its factorization.

12677389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

The product of its digits is 127008, while the sum is 43.

The square root of 12677389 is about 3560.5321231524. The cubic root of 12677389 is about 233.1721115319.

The spelling of 12677389 in words is "twelve million, six hundred seventy-seven thousand, three hundred eighty-nine".