1373355 has 20 divisors (see below), whose sum is σ = 2462592. Its totient is φ = 732240.

The previous prime is 1373347. The next prime is 1373357. The reversal of 1373355 is 5533731.

It is not a de Polignac number, because 1373355 - 2³ = 1373347 is a prime.

It is a super-2 number, since 2×1373355² = 3772207912050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1373357) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1291 + ... + 2100.

2^1373355 is an apocalyptic number.

1373355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1373355 is a deficient number, since it is larger than the sum of its proper divisors (1089237).

1373355 is an equidigital number, since it uses as much as digits as its factorization.

1373355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408 (or 3399 counting only the distinct ones).

The product of its digits is 4725, while the sum is 27.

The square root of 1373355 is about 1171.9022996820. The cubic root of 1373355 is about 111.1546420174.

It can be divided in two parts, 1373 and 355, that added together give a cube (1728 = 12³).

The spelling of 1373355 in words is "one million, three hundred seventy-three thousand, three hundred fifty-five".