1371513 has 32 divisors (see below), whose sum is σ = 2257920. Its totient is φ = 728640.

The previous prime is 1371511. The next prime is 1371541. The reversal of 1371513 is 3151731.

It is not a de Polignac number, because 1371513 - 2¹ = 1371511 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1371513.

It is not an unprimeable number, because it can be changed into a prime (1371511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9798 + ... + 9936.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2^1371513 is an apocalyptic number.

1371513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1371513 is a deficient number, since it is larger than the sum of its proper divisors (886407).

1371513 is a wasteful number, since it uses less digits than its factorization.

1371513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189.

The product of its digits is 315, while the sum is 21.

The square root of 1371513 is about 1171.1161342924. The cubic root of 1371513 is about 111.1049247296.

The spelling of 1371513 in words is "one million, three hundred seventy-one thousand, five hundred thirteen".