11142312 has 16 divisors (see below), whose sum is σ = 27855840. Its totient is φ = 3714096.

The previous prime is 11142311. The next prime is 11142317. The reversal of 11142312 is 21324111.

It is a super-2 number, since 2×11142312² = 248302233410688, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11142291 and 11142300.

It is not an unprimeable number, because it can be changed into a prime (11142311) 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, 232108 + ... + 232155.

It is an arithmetic number, because the mean of its divisors is an integer number (1740990).

Almost surely, 2^11142312 is an apocalyptic number.

11142312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11142312 is an abundant number, since it is smaller than the sum of its proper divisors (16713528).

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

11142312 is a wasteful number, since it uses less digits than its factorization.

11142312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464272 (or 464268 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 11142312 is about 3338.0101857244. The cubic root of 11142312 is about 223.3529905224.

Adding to 11142312 its reverse (21324111), we get a palindrome (32466423).

The spelling of 11142312 in words is "eleven million, one hundred forty-two thousand, three hundred twelve".