1258496 has 22 divisors (see below), whose sum is σ = 2517810. Its totient is φ = 628736.

The previous prime is 1258487. The next prime is 1258511. The reversal of 1258496 is 6948521.

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 4096 = 1120^2 + 64^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410 + ... + 1638.

2^1258496 is an apocalyptic number.

1258496 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 1258496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1258905).

1258496 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1258496 is an equidigital number, since it uses as much as digits as its factorization.

1258496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1231 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 1258496 is about 1121.8270811493. The cubic root of 1258496 is about 107.9652380122.

The spelling of 1258496 in words is "one million, two hundred fifty-eight thousand, four hundred ninety-six".