13520419 has 12 divisors (see below), whose sum is σ = 15646120. Its totient is φ = 11642400.

The previous prime is 13520417. The next prime is 13520431. The reversal of 13520419 is 91402531.

13520419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13520419 - 2¹ = 13520417 is a prime.

It is a super-2 number, since 2×13520419² = 365603459871122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13520393 and 13520402.

It is not an unprimeable number, because it can be changed into a prime (13520411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642 + ... + 5239.

Almost surely, 2^13520419 is an apocalyptic number.

13520419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13520419 is a deficient number, since it is larger than the sum of its proper divisors (2125701).

13520419 is a wasteful number, since it uses less digits than its factorization.

13520419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922 (or 5911 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 13520419 is about 3677.0122382173. The cubic root of 13520419 is about 238.2301459951.

The spelling of 13520419 in words is "thirteen million, five hundred twenty thousand, four hundred nineteen".