1243196 has 12 divisors (see below), whose sum is σ = 2270352. Its totient is φ = 594528.

The previous prime is 1243181. The next prime is 1243211. The reversal of 1243196 is 6913421.

It is an interprime number because it is at equal distance from previous prime (1243181) and next prime (1243211).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6665 + ... + 6848.

It is an arithmetic number, because the mean of its divisors is an integer number (189196).

2^1243196 is an apocalyptic number.

It is an amenable number.

1243196 is a deficient number, since it is larger than the sum of its proper divisors (1027156).

1243196 is a wasteful number, since it uses less digits than its factorization.

1243196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13540 (or 13538 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 1243196 is about 1114.9869954399. The cubic root of 1243196 is about 107.5259284852.

The spelling of 1243196 in words is "one million, two hundred forty-three thousand, one hundred ninety-six".