11949670 has 32 divisors (see below), whose sum is σ = 22888800. Its totient is φ = 4478976.

The previous prime is 11949661. The next prime is 11949671. The reversal of 11949670 is 7694911.

It is a super-2 number, since 2×11949670² = 285589226217800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11949671) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20422 + ... + 20998.

It is an arithmetic number, because the mean of its divisors is an integer number (715275).

Almost surely, 2^11949670 is an apocalyptic number.

11949670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11949670 is a deficient number, since it is larger than the sum of its proper divisors (10939130).

11949670 is a wasteful number, since it uses less digits than its factorization.

11949670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 11949670 is about 3456.8294722187. The cubic root of 11949670 is about 228.6223251614.

The spelling of 11949670 in words is "eleven million, nine hundred forty-nine thousand, six hundred seventy".