11838970 has 64 divisors (see below), whose sum is σ = 26562816. Its totient is φ = 3732480.

The previous prime is 11838943. The next prime is 11838977. The reversal of 11838970 is 7983811.

It is a super-2 number, since 2×11838970² = 280322421321800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11838977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24067 + ... + 24553.

It is an arithmetic number, because the mean of its divisors is an integer number (415044).

Almost surely, 2^11838970 is an apocalyptic number.

11838970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11838970 is an abundant number, since it is smaller than the sum of its proper divisors (14723846).

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

11838970 is a wasteful number, since it uses less digits than its factorization.

11838970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 11838970 is about 3440.7804347270. The cubic root of 11838970 is about 227.9141592316.

It can be divided in two parts, 1183 and 8970, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 11838970 in words is "eleven million, eight hundred thirty-eight thousand, nine hundred seventy".