1256652 has 36 divisors (see below), whose sum is σ = 3230136. Its totient is φ = 411840.

The previous prime is 1256621. The next prime is 1256659. The reversal of 1256652 is 2566521.

1256652 is a `hidden beast` number, since 1 + 2 + 5 + 6 + 652 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1256659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2152 + ... + 2672.

It is an arithmetic number, because the mean of its divisors is an integer number (89726).

2^1256652 is an apocalyptic number.

1256652 is a gapful number since it is divisible by the number (12) 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 1256652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615068).

1256652 is an abundant number, since it is smaller than the sum of its proper divisors (1973484).

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

1256652 is a wasteful number, since it uses less digits than its factorization.

1256652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 593 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1256652 is about 1121.0049063229. The cubic root of 1256652 is about 107.9124805367.

The spelling of 1256652 in words is "one million, two hundred fifty-six thousand, six hundred fifty-two".