13432398 has 16 divisors (see below), whose sum is σ = 30702720. Its totient is φ = 3837816.

The previous prime is 13432387. The next prime is 13432399. The reversal of 13432398 is 89323431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13432399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159868 + ... + 159951.

It is an arithmetic number, because the mean of its divisors is an integer number (1918920).

Almost surely, 2^13432398 is an apocalyptic number.

13432398 is an abundant number, since it is smaller than the sum of its proper divisors (17270322).

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

13432398 is a wasteful number, since it uses less digits than its factorization.

13432398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319831.

The product of its digits is 15552, while the sum is 33.

The square root of 13432398 is about 3665.0236015611. The cubic root of 13432398 is about 237.7120425780.

It can be divided in two parts, 134323 and 98, that added together give a triangular number (134421 = T₅₁₈).

The spelling of 13432398 in words is "thirteen million, four hundred thirty-two thousand, three hundred ninety-eight".