1513890 has 96 divisors (see below), whose sum is σ = 4717440. Its totient is φ = 342144.

The previous prime is 1513871. The next prime is 1513891. The reversal of 1513890 is 983151.

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 (1513891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16966 + ... + 17054.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2^1513890 is an apocalyptic number.

1513890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1513890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2358720).

1513890 is an abundant number, since it is smaller than the sum of its proper divisors (3203550).

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

1513890 is an equidigital number, since it uses as much as digits as its factorization.

1513890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1513890 is about 1230.4023732097. The cubic root of 1513890 is about 114.8236743334.

The spelling of 1513890 in words is "one million, five hundred thirteen thousand, eight hundred ninety".