1356550 has 24 divisors (see below), whose sum is σ = 2718576. Its totient is φ = 500640.

The previous prime is 1356547. The next prime is 1356571. The reversal of 1356550 is 556531.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (113274).

2^1356550 is an apocalyptic number.

1356550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1356550 is an abundant number, since it is smaller than the sum of its proper divisors (1362026).

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

1356550 is a wasteful number, since it uses less digits than its factorization.

1356550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1356550 is about 1164.7102644006. The cubic root of 1356550 is about 110.6994004070.

The spelling of 1356550 in words is "one million, three hundred fifty-six thousand, five hundred fifty".