1259904 has 64 divisors (see below), whose sum is σ = 3561840. Its totient is φ = 393216.

The previous prime is 1259903. The next prime is 1259927. The reversal of 1259904 is 4099521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1259903) 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, 6432 + ... + 6624.

2^1259904 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 1259904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780920).

1259904 is an abundant number, since it is smaller than the sum of its proper divisors (2301936).

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

1259904 is a wasteful number, since it uses less digits than its factorization.

1259904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1259904 is about 1122.4544534189. The cubic root of 1259904 is about 108.0054866897.

The spelling of 1259904 in words is "one million, two hundred fifty-nine thousand, nine hundred four".