10999970 has 8 divisors (see below), whose sum is σ = 19799964. Its totient is φ = 4399984.

The previous prime is 10999951. The next prime is 10999979. The reversal of 10999970 is 7999901.

10999970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10962721 + 37249 = 3311^2 + 193^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10999979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549989 + ... + 550008.

Almost surely, 2^10999970 is an apocalyptic number.

10999970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10999970 is a deficient number, since it is larger than the sum of its proper divisors (8799994).

10999970 is a wasteful number, since it uses less digits than its factorization.

10999970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100004.

The product of its (nonzero) digits is 45927, while the sum is 44.

The square root of 10999970 is about 3316.6202676821. The cubic root of 10999970 is about 222.3978068767.

The spelling of 10999970 in words is "ten million, nine hundred ninety-nine thousand, nine hundred seventy".