12077655 has 8 divisors (see below), whose sum is σ = 19324272. Its totient is φ = 6441408.

The previous prime is 12077617. The next prime is 12077671. The reversal of 12077655 is 55677021.

12077655 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 not a de Polignac number, because 12077655 - 2⁸ = 12077399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402574 + ... + 402603.

It is an arithmetic number, because the mean of its divisors is an integer number (2415534).

Almost surely, 2^12077655 is an apocalyptic number.

12077655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12077655 is a deficient number, since it is larger than the sum of its proper divisors (7246617).

12077655 is an equidigital number, since it uses as much as digits as its factorization.

12077655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805185.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 12077655 is about 3475.2920740565. The cubic root of 12077655 is about 229.4356358538.

The spelling of 12077655 in words is "twelve million, seventy-seven thousand, six hundred fifty-five".