11487645 has 48 divisors (see below), whose sum is σ = 21818160. Its totient is φ = 5557248.

The previous prime is 11487629. The next prime is 11487653. The reversal of 11487645 is 54678411.

It is a happy number.

11487645 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 7 + 645 = 666.

11487645 is nontrivially palindromic in base 8.

11487645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2595321 + 8892324 = 1611^2 + 2982^2 .

It is not a de Polignac number, because 11487645 - 2⁴ = 11487629 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42571 + ... + 42839.

It is an arithmetic number, because the mean of its divisors is an integer number (454545).

Almost surely, 2^11487645 is an apocalyptic number.

11487645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11487645 is a deficient number, since it is larger than the sum of its proper divisors (10330515).

11487645 is a wasteful number, since it uses less digits than its factorization.

11487645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 363 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 11487645 is about 3389.3428566612. The cubic root of 11487645 is about 225.6370096405.

It can be divided in two parts, 114876 and 45, that added together give a square (114921 = 339²).

The spelling of 11487645 in words is "eleven million, four hundred eighty-seven thousand, six hundred forty-five".