11631970 has 32 divisors (see below), whose sum is σ = 24167808. Its totient is φ = 3948288.

The previous prime is 11631947. The next prime is 11631989. The reversal of 11631970 is 7913611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6714 + ... + 8266.

It is an arithmetic number, because the mean of its divisors is an integer number (755244).

Almost surely, 2^11631970 is an apocalyptic number.

11631970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11631970 is an abundant number, since it is smaller than the sum of its proper divisors (12535838).

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

11631970 is a wasteful number, since it uses less digits than its factorization.

11631970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 11631970 is about 3410.5674014744. The cubic root of 11631970 is about 226.5780098300.

The spelling of 11631970 in words is "eleven million, six hundred thirty-one thousand, nine hundred seventy".