1351556 has 12 divisors (see below), whose sum is σ = 2399040. Its totient is φ = 666120.

The previous prime is 1351547. The next prime is 1351589. The reversal of 1351556 is 6551531.

It is a super-2 number, since 2×1351556² = 3653407242272, which contains 22 as substring.

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, 2096 + ... + 2663.

It is an arithmetic number, because the mean of its divisors is an integer number (199920).

2^1351556 is an apocalyptic number.

It is an amenable number.

1351556 is a deficient number, since it is larger than the sum of its proper divisors (1047484).

1351556 is a wasteful number, since it uses less digits than its factorization.

1351556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834 (or 4832 counting only the distinct ones).

The product of its digits is 2250, while the sum is 26.

The square root of 1351556 is about 1162.5644068180. The cubic root of 1351556 is about 110.5633905301.

The spelling of 1351556 in words is "one million, three hundred fifty-one thousand, five hundred fifty-six".