1211996 has 6 divisors (see below), whose sum is σ = 2121000. Its totient is φ = 605996.

The previous prime is 1211983. The next prime is 1211999. The reversal of 1211996 is 6991121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151496 + ... + 151503.

It is an arithmetic number, because the mean of its divisors is an integer number (353500).

2^1211996 is an apocalyptic number.

It is an amenable number.

1211996 is a deficient number, since it is larger than the sum of its proper divisors (909004).

1211996 is a wasteful number, since it uses less digits than its factorization.

1211996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303003 (or 303001 counting only the distinct ones).

The product of its digits is 972, while the sum is 29.

The square root of 1211996 is about 1100.9068988793. The cubic root of 1211996 is about 106.6187849331.

The spelling of 1211996 in words is "one million, two hundred eleven thousand, nine hundred ninety-six".