1426556 has 12 divisors (see below), whose sum is σ = 2505720. Its totient is φ = 710640.

The previous prime is 1426553. The next prime is 1426559. The reversal of 1426556 is 6556241.

It is an interprime number because it is at equal distance from previous prime (1426553) and next prime (1426559).

It is a super-2 number, since 2×1426556² = 4070124042272, which contains 22 as substring.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046 + ... + 1986.

It is an arithmetic number, because the mean of its divisors is an integer number (208810).

2^1426556 is an apocalyptic number.

It is an amenable number.

1426556 is a deficient number, since it is larger than the sum of its proper divisors (1079164).

1426556 is a wasteful number, since it uses less digits than its factorization.

1426556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1322 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 1426556 is about 1194.3851974970. The cubic root of 1426556 is about 112.5717994341.

The spelling of 1426556 in words is "one million, four hundred twenty-six thousand, five hundred fifty-six".