1319520 has 48 divisors (see below), whose sum is σ = 4158000. Its totient is φ = 351744.

The previous prime is 1319509. The next prime is 1319543. The reversal of 1319520 is 259131.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1319520² = 3482266060800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895 + ... + 1854.

It is an arithmetic number, because the mean of its divisors is an integer number (86625).

2^1319520 is an apocalyptic number.

1319520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1319520 is an abundant number, since it is smaller than the sum of its proper divisors (2838480).

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

1319520 is a wasteful number, since it uses less digits than its factorization.

1319520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767 (or 2759 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1319520 is about 1148.7036171267. The cubic root of 1319520 is about 109.6828329359.

The spelling of 1319520 in words is "one million, three hundred nineteen thousand, five hundred twenty".