1423212 has 24 divisors (see below), whose sum is σ = 3795456. Its totient is φ = 406608.

The previous prime is 1423193. The next prime is 1423231. The reversal of 1423212 is 2123241.

It is an interprime number because it is at equal distance from previous prime (1423193) and next prime (1423231).

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 = 1423191 and 1423200.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8388 + ... + 8555.

It is an arithmetic number, because the mean of its divisors is an integer number (158144).

2^1423212 is an apocalyptic number.

1423212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1423212 is an abundant number, since it is smaller than the sum of its proper divisors (2372244).

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

1423212 is a wasteful number, since it uses less digits than its factorization.

1423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16957 (or 16955 counting only the distinct ones).

The product of its digits is 96, while the sum is 15.

The square root of 1423212 is about 1192.9844927743. The cubic root of 1423212 is about 112.4837704983.

Adding to 1423212 its reverse (2123241), we get a palindrome (3546453).

The spelling of 1423212 in words is "one million, four hundred twenty-three thousand, two hundred twelve".