12455545 has 8 divisors (see below), whose sum is σ = 15733440. Its totient is φ = 9439920.

The previous prime is 12455533. The next prime is 12455563. The reversal of 12455545 is 54555421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12455545 - 2¹³ = 12447353 is a prime.

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, 65461 + ... + 65650.

It is an arithmetic number, because the mean of its divisors is an integer number (1966680).

Almost surely, 2^12455545 is an apocalyptic number.

It is an amenable number.

12455545 is a deficient number, since it is larger than the sum of its proper divisors (3277895).

12455545 is a wasteful number, since it uses less digits than its factorization.

12455545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131135.

The product of its digits is 20000, while the sum is 31.

The square root of 12455545 is about 3529.2414199088. The cubic root of 12455545 is about 231.8039924441.

The spelling of 12455545 in words is "twelve million, four hundred fifty-five thousand, five hundred forty-five".