11138970 has 16 divisors (see below), whose sum is σ = 26733600. Its totient is φ = 2970384.

The previous prime is 11138909. The next prime is 11138983. The reversal of 11138970 is 7983111.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 371299 = 11138970 / (1 + 1 + 1 + 3 + 8 + 9 + 7 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185620 + ... + 185679.

It is an arithmetic number, because the mean of its divisors is an integer number (1670850).

Almost surely, 2^11138970 is an apocalyptic number.

11138970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11138970 is an abundant number, since it is smaller than the sum of its proper divisors (15594630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11138970 is a wasteful number, since it uses less digits than its factorization.

11138970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371309.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 11138970 is about 3337.5095505481. The cubic root of 11138970 is about 223.3306576249.

The spelling of 11138970 in words is "eleven million, one hundred thirty-eight thousand, nine hundred seventy".