13421526 has 8 divisors (see below), whose sum is σ = 26843064. Its totient is φ = 4473840.

The previous prime is 13421521. The next prime is 13421533. The reversal of 13421526 is 62512431.

It is a sphenic number, since it is the product of 3 distinct primes.

13421526 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13421496 and 13421505.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118455 + ... + 1118466.

It is an arithmetic number, because the mean of its divisors is an integer number (3355383).

Almost surely, 2^13421526 is an apocalyptic number.

13421526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13421526 is a wasteful number, since it uses less digits than its factorization.

13421526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236926.

The product of its digits is 1440, while the sum is 24.

The square root of 13421526 is about 3663.5400912232. The cubic root of 13421526 is about 237.6478916374.

Adding to 13421526 its reverse (62512431), we get a palindrome (75933957).

The spelling of 13421526 in words is "thirteen million, four hundred twenty-one thousand, five hundred twenty-six".