1228696 has 32 divisors (see below), whose sum is σ = 2708640. Its totient is φ = 511488.

The previous prime is 1228693. The next prime is 1228741. The reversal of 1228696 is 6968221.

It is a happy number.

1228696 is nontrivially palindromic in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1776 + ... + 2368.

It is an arithmetic number, because the mean of its divisors is an integer number (84645).

2^1228696 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 1228696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354320).

1228696 is an abundant number, since it is smaller than the sum of its proper divisors (1479944).

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

1228696 is a wasteful number, since it uses less digits than its factorization.

1228696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 639 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 1228696 is about 1108.4656061421. The cubic root of 1228696 is about 107.1062501819.

The spelling of 1228696 in words is "one million, two hundred twenty-eight thousand, six hundred ninety-six".