11929970 has 32 divisors (see below), whose sum is σ = 23308992. Its totient is φ = 4370112.

The previous prime is 11929949. The next prime is 11929993. The reversal of 11929970 is 7992911.

It is an unprimeable number.

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, 20909 + ... + 21471.

It is an arithmetic number, because the mean of its divisors is an integer number (728406).

Almost surely, 2^11929970 is an apocalyptic number.

11929970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11929970 is a deficient number, since it is larger than the sum of its proper divisors (11379022).

11929970 is a wasteful number, since it uses less digits than its factorization.

11929970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 10206, while the sum is 38.

The square root of 11929970 is about 3453.9788650193. The cubic root of 11929970 is about 228.4966219114.

The spelling of 11929970 in words is "eleven million, nine hundred twenty-nine thousand, nine hundred seventy".