11669745 has 32 divisors (see below), whose sum is σ = 19555200. Its totient is φ = 5935104.

The previous prime is 11669737. The next prime is 11669747. The reversal of 11669745 is 54796611.

It is not a de Polignac number, because 11669745 - 2³ = 11669737 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (11669747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60369 + ... + 60561.

It is an arithmetic number, because the mean of its divisors is an integer number (611100).

Almost surely, 2^11669745 is an apocalyptic number.

11669745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11669745 is a deficient number, since it is larger than the sum of its proper divisors (7885455).

11669745 is a wasteful number, since it uses less digits than its factorization.

11669745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369.

The product of its digits is 45360, while the sum is 39.

The square root of 11669745 is about 3416.1008474575. The cubic root of 11669745 is about 226.8230166476.

The spelling of 11669745 in words is "eleven million, six hundred sixty-nine thousand, seven hundred forty-five".