11910621 has 8 divisors (see below), whose sum is σ = 15938080. Its totient is φ = 7911792.

The previous prime is 11910617. The next prime is 11910629. The reversal of 11910621 is 12601911.

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

It is not a de Polignac number, because 11910621 - 2² = 11910617 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 (11910629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6166 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (1992260).

Almost surely, 2^11910621 is an apocalyptic number.

It is an amenable number.

11910621 is a deficient number, since it is larger than the sum of its proper divisors (4027459).

11910621 is a wasteful number, since it uses less digits than its factorization.

11910621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14315.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 11910621 is about 3451.1767558327. The cubic root of 11910621 is about 228.3730235703.

The spelling of 11910621 in words is "eleven million, nine hundred ten thousand, six hundred twenty-one".