1220496 has 40 divisors (see below), whose sum is σ = 3225984. Its totient is φ = 397440.

The previous prime is 1220491. The next prime is 1220497. The reversal of 1220496 is 6940221.

It is a super-2 number, since 2×1220496² = 2979220972032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1220491) 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, 1986 + ... + 2526.

2^1220496 is an apocalyptic number.

1220496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612992).

1220496 is an abundant number, since it is smaller than the sum of its proper divisors (2005488).

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

1220496 is a wasteful number, since it uses less digits than its factorization.

1220496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1220496 is about 1104.7606075526. The cubic root of 1220496 is about 106.8674516744.

The spelling of 1220496 in words is "one million, two hundred twenty thousand, four hundred ninety-six".