13421524 has 12 divisors (see below), whose sum is σ = 24724000. Its totient is φ = 6357528.

The previous prime is 13421521. The next prime is 13421533. The reversal of 13421524 is 42512431.

It is a junction number, because it is equal to n+sod(n) for n = 13421495 and 13421504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421521) 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 3 ways as a sum of consecutive naturals, for example, 88224 + ... + 88375.

Almost surely, 2^13421524 is an apocalyptic number.

It is an amenable number.

13421524 is a deficient number, since it is larger than the sum of its proper divisors (11302476).

13421524 is a wasteful number, since it uses less digits than its factorization.

13421524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176622 (or 176620 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 13421524 is about 3663.5398182632. The cubic root of 13421524 is about 237.6478798331.

Adding to 13421524 its reverse (42512431), we get a palindrome (55933955).

The spelling of 13421524 in words is "thirteen million, four hundred twenty-one thousand, five hundred twenty-four".