12677645 has 8 divisors (see below), whose sum is σ = 15259104. Its totient is φ = 10111504.

The previous prime is 12677641. The next prime is 12677657. The reversal of 12677645 is 54677621.

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 12677645 - 2² = 12677641 is a prime.

It is a super-3 number, since 3×12677645³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12677599 and 12677608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12677641) 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, 1919 + ... + 5388.

It is an arithmetic number, because the mean of its divisors is an integer number (1907388).

Almost surely, 2^12677645 is an apocalyptic number.

It is an amenable number.

12677645 is a deficient number, since it is larger than the sum of its proper divisors (2581459).

12677645 is an equidigital number, since it uses as much as digits as its factorization.

12677645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7659.

The product of its digits is 70560, while the sum is 38.

The square root of 12677645 is about 3560.5680726536. The cubic root of 12677645 is about 233.1736810364.

The spelling of 12677645 in words is "twelve million, six hundred seventy-seven thousand, six hundred forty-five".