11949126 has 32 divisors (see below), whose sum is σ = 27433728. Its totient is φ = 3398880.

The previous prime is 11949103. The next prime is 11949127. The reversal of 11949126 is 62194911.

It is a super-2 number, since 2×11949126² = 285563224327752, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11949127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11821 + ... + 12791.

It is an arithmetic number, because the mean of its divisors is an integer number (857304).

Almost surely, 2^11949126 is an apocalyptic number.

11949126 is an abundant number, since it is smaller than the sum of its proper divisors (15484602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11949126 is a wasteful number, since it uses less digits than its factorization.

11949126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276.

The product of its digits is 3888, while the sum is 33.

The square root of 11949126 is about 3456.7507865046. The cubic root of 11949126 is about 228.6188558206.

The spelling of 11949126 in words is "eleven million, nine hundred forty-nine thousand, one hundred twenty-six".