11669949 has 12 divisors (see below), whose sum is σ = 16900416. Its totient is φ = 7759752.

The previous prime is 11669941. The next prime is 11669951. The reversal of 11669949 is 94996611.

11669949 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11669949 - 2³ = 11669941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11669941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2524 + ... + 5450.

It is an arithmetic number, because the mean of its divisors is an integer number (1408368).

Almost surely, 2^11669949 is an apocalyptic number.

It is an amenable number.

11669949 is a deficient number, since it is larger than the sum of its proper divisors (5230467).

11669949 is a wasteful number, since it uses less digits than its factorization.

11669949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376 (or 3373 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 11669949 is about 3416.1307059303. The cubic root of 11669949 is about 226.8243383453.

The spelling of 11669949 in words is "eleven million, six hundred sixty-nine thousand, nine hundred forty-nine".