1373090 has 32 divisors (see below), whose sum is σ = 2694384. Its totient is φ = 501760.

The previous prime is 1373087. The next prime is 1373129. The reversal of 1373090 is 903731.

1373090 = T₁₆₆ + T₁₆₇ + ... + T₂₃₃.

It can be written as a sum of positive squares in 8 ways, for example, as 844561 + 528529 = 919^2 + 727^2 .

It is a super-2 number, since 2×1373090² = 3770752296200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6872 + ... + 7068.

2^1373090 is an apocalyptic number.

1373090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1373090 is a deficient number, since it is larger than the sum of its proper divisors (1321294).

1373090 is a wasteful number, since it uses less digits than its factorization.

1373090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 1373090 is about 1171.7892301946. The cubic root of 1373090 is about 111.1474921605.

The spelling of 1373090 in words is "one million, three hundred seventy-three thousand, ninety".