1256412 has 12 divisors (see below), whose sum is σ = 2931656. Its totient is φ = 418800.

The previous prime is 1256407. The next prime is 1256429. The reversal of 1256412 is 2146521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1256412² = 3157142227488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52339 + ... + 52362.

2^1256412 is an apocalyptic number.

1256412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1256412 is an abundant number, since it is smaller than the sum of its proper divisors (1675244).

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

1256412 is a wasteful number, since it uses less digits than its factorization.

1256412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104708 (or 104706 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 1256412 is about 1120.8978544007. The cubic root of 1256412 is about 107.9056102591.

The spelling of 1256412 in words is "one million, two hundred fifty-six thousand, four hundred twelve".