11506949 has 4 divisors (see below), whose sum is σ = 11513964. Its totient is φ = 11499936.

The previous prime is 11506933. The next prime is 11506987. The reversal of 11506949 is 94960511.

11506949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9042049 + 2464900 = 3007^2 + 1570^2 .

It is a cyclic number.

It is not a de Polignac number, because 11506949 - 2⁴ = 11506933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11506919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419 + ... + 4815.

It is an arithmetic number, because the mean of its divisors is an integer number (2878491).

Almost surely, 2^11506949 is an apocalyptic number.

It is an amenable number.

11506949 is a deficient number, since it is larger than the sum of its proper divisors (7015).

11506949 is an equidigital number, since it uses as much as digits as its factorization.

11506949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 11506949 is about 3392.1894109852. The cubic root of 11506949 is about 225.7633267785.

The spelling of 11506949 in words is "eleven million, five hundred six thousand, nine hundred forty-nine".