11389970 has 8 divisors (see below), whose sum is σ = 20501964. Its totient is φ = 4555984.

The previous prime is 11389957. The next prime is 11389979. The reversal of 11389970 is 7998311.

It can be written as a sum of positive squares in 2 ways, for example, as 10843849 + 546121 = 3293^2 + 739^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11389979) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 569489 + ... + 569508.

Almost surely, 2^11389970 is an apocalyptic number.

11389970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11389970 is a deficient number, since it is larger than the sum of its proper divisors (9111994).

11389970 is a wasteful number, since it uses less digits than its factorization.

11389970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139004.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 11389970 is about 3374.9029615679. The cubic root of 11389970 is about 224.9956871601.

The spelling of 11389970 in words is "eleven million, three hundred eighty-nine thousand, nine hundred seventy".