13424895 has 48 divisors (see below), whose sum is σ = 26106912. Its totient is φ = 6324480.

The previous prime is 13424881. The next prime is 13424899. The reversal of 13424895 is 59842431.

It is a Cunningham number, because it is equal to 3664²-1.

It is not a de Polignac number, because 13424895 - 2⁵ = 13424863 is a prime.

It is a super-2 number, since 2×13424895² = 360455611522050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424899) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17949 + ... + 18681.

It is an arithmetic number, because the mean of its divisors is an integer number (543894).

Almost surely, 2^13424895 is an apocalyptic number.

13424895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13424895 is a deficient number, since it is larger than the sum of its proper divisors (12682017).

13424895 is a wasteful number, since it uses less digits than its factorization.

13424895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 789 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 13424895 is about 3663.9998635371. Note that the first 3 decimals coincide. The cubic root of 13424895 is about 237.6677743433.

The spelling of 13424895 in words is "thirteen million, four hundred twenty-four thousand, eight hundred ninety-five".