1229976 has 48 divisors (see below), whose sum is σ = 3636360. Its totient is φ = 372480.

The previous prime is 1229957. The next prime is 1229981. The reversal of 1229976 is 6799221.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1229976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16 + ... + 1568.

2^1229976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1229976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1818180).

1229976 is an abundant number, since it is smaller than the sum of its proper divisors (2406384).

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

1229976 is a wasteful number, since it uses less digits than its factorization.

1229976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576 (or 1569 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 1229976 is about 1109.0428305525. The cubic root of 1229976 is about 107.1434300922.

The spelling of 1229976 in words is "one million, two hundred twenty-nine thousand, nine hundred seventy-six".