12655451 has 8 divisors (see below), whose sum is σ = 13263264. Its totient is φ = 12052480.

The previous prime is 12655439. The next prime is 12655457. The reversal of 12655451 is 15455621.

It is a happy number.

12655451 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 12655451 - 2²² = 8461147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12655457) 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, 4841 + ... + 6981.

It is an arithmetic number, because the mean of its divisors is an integer number (1657908).

Almost surely, 2^12655451 is an apocalyptic number.

12655451 is a deficient number, since it is larger than the sum of its proper divisors (607813).

12655451 is a wasteful number, since it uses less digits than its factorization.

12655451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421.

The product of its digits is 6000, while the sum is 29.

The square root of 12655451 is about 3557.4500699237. The cubic root of 12655451 is about 233.0375337865.

The spelling of 12655451 in words is "twelve million, six hundred fifty-five thousand, four hundred fifty-one".