11921174 has 16 divisors (see below), whose sum is σ = 18855936. Its totient is φ = 5644200.

The previous prime is 11921137. The next prime is 11921177. The reversal of 11921174 is 47112911.

It is a super-2 number, since 2×11921174² = 284228779076552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11921177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869 + ... + 4959.

It is an arithmetic number, because the mean of its divisors is an integer number (1178496).

Almost surely, 2^11921174 is an apocalyptic number.

11921174 is a deficient number, since it is larger than the sum of its proper divisors (6934762).

11921174 is a wasteful number, since it uses less digits than its factorization.

11921174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171.

The product of its digits is 504, while the sum is 26.

The square root of 11921174 is about 3452.7053161253. The cubic root of 11921174 is about 228.4404510396.

The spelling of 11921174 in words is "eleven million, nine hundred twenty-one thousand, one hundred seventy-four".