11921034 has 8 divisors (see below), whose sum is σ = 23842080. Its totient is φ = 3973676.

The previous prime is 11921027. The next prime is 11921051. The reversal of 11921034 is 43012911.

It is a sphenic number, since it is the product of 3 distinct primes.

11921034 is an admirable number.

It is a super-2 number, since 2×11921034² = 284222103258312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11921034.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993414 + ... + 993425.

It is an arithmetic number, because the mean of its divisors is an integer number (2980260).

Almost surely, 2^11921034 is an apocalyptic number.

11921034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11921034 is a wasteful number, since it uses less digits than its factorization.

11921034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986844.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 11921034 is about 3452.6850421085. The cubic root of 11921034 is about 228.4395567823.

Adding to 11921034 its reverse (43012911), we get a palindrome (54933945).

The spelling of 11921034 in words is "eleven million, nine hundred twenty-one thousand, thirty-four".