1513888 has 12 divisors (see below), whose sum is σ = 2980530. Its totient is φ = 756928.

The previous prime is 1513871. The next prime is 1513891. The reversal of 1513888 is 8883151.

It can be written as a sum of positive squares in only one way, i.e., 1468944 + 44944 = 1212^2 + 212^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23623 + ... + 23686.

2^1513888 is an apocalyptic number.

It is an amenable number.

1513888 is a deficient number, since it is larger than the sum of its proper divisors (1466642).

1513888 is an equidigital number, since it uses as much as digits as its factorization.

1513888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47319 (or 47311 counting only the distinct ones).

The product of its digits is 7680, while the sum is 34.

The square root of 1513888 is about 1230.4015604672. The cubic root of 1513888 is about 114.8236237688.

It can be divided in two parts, 1513 and 888, that added together give a 4-th power (2401 = 7⁴).

The spelling of 1513888 in words is "one million, five hundred thirteen thousand, eight hundred eighty-eight".