11842949 has 4 divisors (see below), whose sum is σ = 11857536. Its totient is φ = 11828364.

The previous prime is 11842937. The next prime is 11842993. The reversal of 11842949 is 94924811.

11842949 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 a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11842949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11842349) 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, 5999 + ... + 7724.

It is an arithmetic number, because the mean of its divisors is an integer number (2964384).

Almost surely, 2^11842949 is an apocalyptic number.

It is an amenable number.

11842949 is a deficient number, since it is larger than the sum of its proper divisors (14587).

11842949 is an equidigital number, since it uses as much as digits as its factorization.

11842949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14586.

The product of its digits is 20736, while the sum is 38.

The square root of 11842949 is about 3441.3585979959. The cubic root of 11842949 is about 227.9396898552.

The spelling of 11842949 in words is "eleven million, eight hundred forty-two thousand, nine hundred forty-nine".