11646545 has 16 divisors (see below), whose sum is σ = 14929920. Its totient is φ = 8702400.

The previous prime is 11646539. The next prime is 11646559. The reversal of 11646545 is 54564611.

11646545 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11646545 - 2⁸ = 11646289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3200 + ... + 5790.

It is an arithmetic number, because the mean of its divisors is an integer number (933120).

Almost surely, 2^11646545 is an apocalyptic number.

It is an amenable number.

11646545 is a deficient number, since it is larger than the sum of its proper divisors (3283375).

11646545 is a wasteful number, since it uses less digits than its factorization.

11646545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656.

The product of its digits is 14400, while the sum is 32.

The square root of 11646545 is about 3412.7034737873. The cubic root of 11646545 is about 226.6726053327.

The spelling of 11646545 in words is "eleven million, six hundred forty-six thousand, five hundred forty-five".